{"id":5006,"date":"2025-04-28T14:22:18","date_gmt":"2025-04-28T18:22:18","guid":{"rendered":"https:\/\/focusgraphite.com\/?page_id=5006"},"modified":"2025-04-28T14:25:42","modified_gmt":"2025-04-28T18:25:42","slug":"recherche-et-developpement-2","status":"publish","type":"page","link":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/","title":{"rendered":"Notre expert"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\"\"Le Dr Joseph E. Doninger est reconnu comme l\u2019un des plus grands experts mondiaux en traitement du carbone et du graphite, avec plusieurs d\u00e9cennies d\u2019exp\u00e9rience dans l\u2019application concr\u00e8te des technologies avanc\u00e9es du carbone. Avec une carri\u00e8re distingu\u00e9e s\u2019\u00e9tendant sur plus de 50 ans, le Dr Doninger a occup\u00e9 des postes de haute direction au sein de plusieurs grandes entreprises industrielles et de mat\u00e9riaux, notamment chez Superior Graphite, o\u00f9 il a jou\u00e9 un r\u00f4le d\u00e9terminant dans l\u2019avancement des mat\u00e9riaux carbon\u00e9s de qualit\u00e9 batterie.<\/p>\n

Au cours de ses 17 ann\u00e9es chez Superior Graphite, le Dr Doninger a occup\u00e9 plusieurs postes de direction, notamment ceux de premier vice-pr\u00e9sident \u00e0 la technologie, vice-pr\u00e9sident \u00e0 l\u2019ing\u00e9nierie et \u00e0 la commercialisation des produits, vice-pr\u00e9sident \u00e0 la fabrication et vice-pr\u00e9sident \u00e0 la technologie. C\u2019est \u00e0 cette \u00e9poque qu\u2019il a contribu\u00e9 de mani\u00e8re d\u00e9cisive au d\u00e9veloppement de la c\u00e9l\u00e8bre pile Duracell, qui surpassait ses concurrentes gr\u00e2ce \u00e0 sa composition en carbone sup\u00e9rieure. Son expertise en traitement du graphite et en science des mat\u00e9riaux a directement am\u00e9lior\u00e9 la long\u00e9vit\u00e9 et l’efficacit\u00e9 des solutions de stockage d\u2019\u00e9nergie.<\/p>\n

En dehors de Superior Graphite, la carri\u00e8re impressionnante du Dr Doninger comprend des postes de direction chez Applied Industrial Materials Corporation et International Minerals and Chemical Corporation, o\u00f9 il s\u2019est sp\u00e9cialis\u00e9 en ventes, marketing et d\u00e9veloppement technique dans les domaines des min\u00e9raux industriels et des mat\u00e9riaux \u00e0 base de carbone.<\/p>\n

Le Dr Doninger est titulaire d’un doctorat en g\u00e9nie chimique de la Northwestern University. Il est \u00e9galement l\u2019inventeur de six brevets et l\u2019auteur de plus de 29 publications et communications techniques portant sur le traitement du graphite, les applications min\u00e9rales et les technologies de stockage d\u2019\u00e9nergie. Son travail a eu un impact majeur sur les avanc\u00e9es dans les batteries lithium-ion, les piles \u00e0 combustible et les syst\u00e8mes de stockage \u00e9lectrochimique \u00e0 base de carbone.<\/p>\n

\u00c0 la suite de sa retraite, le Dr Doninger a choisi de mettre son expertise au service de Focus Graphite et Advanced Materials, convaincu par la qualit\u00e9 in\u00e9gal\u00e9e du gisement de graphite de Lac Knife, qu\u2019il d\u00e9crit comme le meilleur qu\u2019il ait jamais rencontr\u00e9 au cours de sa carri\u00e8re. Gr\u00e2ce \u00e0 ses connaissances approfondies du secteur et \u00e0 son esprit d\u2019innovation, il a jou\u00e9 un r\u00f4le cl\u00e9 dans le d\u00e9veloppement de technologies de pointe pour optimiser le graphite en paillettes de haute puret\u00e9 extrait des propri\u00e9t\u00e9s de Focus, le rendant parfaitement adapt\u00e9 aux applications de stockage d\u2019\u00e9nergie de nouvelle g\u00e9n\u00e9ration.<\/p>\n

L’engagement du Dr Doninger envers l\u2019avancement des solutions \u00e9nerg\u00e9tiques \u00e0 base de graphite et de carbone continue de fa\u00e7onner l’avenir des technologies de batteries, faisant de lui un leader incontournable dans le domaine des mat\u00e9riaux avanc\u00e9s.<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Electrochemical Performance of Silicon Enhanced Lac Knife Natural Flake Graphite in Lithium-Ion Batteries<\/h3>\n

Military Power Sources Consortium Silicon Anode Seminar \u2013 Aberdeen Proving Ground, MD \u2013 March 7-8, 2023<\/h4>\n

The process developed for the production of Silicon Enhanced coated spherical graphite (SPG) involves adding the silicon to the purified Lac Knife flake graphite in an oxygen free atmosphere prior to spheroidization and before coating the SPG with carbon. Three grades of carbon coated SPG were developed for the anodes of Lithium-Ion batteries, ranging from the standard (D50 = 23.9um) grade to the fine (D50 = 17.4um) and ultra-fine (D50 = ll.9um) grades of SPG. Initial long term cycling tests showed that the coin cells made with the high purity fine grade of Lac Knife flake graphite exhibited almost zero loss in capacity after the first 110 cycles when compared with two commercial grades of natural flake graphite tested which had capacity losses of 4% and 6%. A PCT patent application on the process used to produce the Carbon Coated Silicon Enhanced Spherical
\nGraphite is currently under review by the Patent Office.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1695151423695{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2023%2F09%2FMPSC-Silicon-Anode-Seminar-March-7-8-2023.pdf|target:_blank\u00a0\u00bb][vc_btn title=\u00a0\u00bbABSTRACT\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1695746857421{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2023%2F09%2FLac-Knife-MPSC-Abstract.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Cycling Characteristics of Silicon Enhanced and Boronated Lac Knife Natural Flake Graphite from Quebec, Canada in Lithium Ion Batteries<\/h3>\n

36th International Battery Seminar \u2013 Fort Lauderdale, FL \u2013 March 26, 2019<\/h4>\n

The first half of this presentation covers the development of the different grades of Lac Knife flotation, purified and spherical graphites and reviewed the results of coin cell tests which showed that the Lac Knife graphite outperformed synthetic graphite over a wide range of cycle times in Li Ion battery formulations. Additional coin cell data is presented that shows that the silicon enhanced Lac Knife graphite Lithium Ion battery formulations exhibited highly stable cycling performance. The initial work conducted on treating the Lac Knife graphite with boron is very encouraging and showed excellent potential for the use of boronated graphite in high rate applications.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1695151306374{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2023%2F09%2F36th-International-Battery-Seminar-March-25-2019.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Electrochemical Performance of Silicon Enhanced Lac Knife Natural Flake Graphite from Quebec, Canada in Lithium Ion Batteries<\/h3>\n

35th International Battery Seminar, Fort Lauderdale FL – March 26, 2018<\/h4>\n

This presentation includes coin cell tests that were conducted on Lac Knife carbon coated spherical graphite treated with amorphous silicon at levels ranging from 4.5 to 18 wt% Si. The results showed that the reversible capacities achieved in the anode with the silicon enhanced graphite ranged from 462 to 613 mAh\/g well beyond graphite\u2019s theoretical limit of 372 mAh\/g.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652359829149{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2F35th-International-Battery-Seminar-3-26-18.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Electrochemical Performance of Lac Knife Graphite and Initial Results on Silicon Enhanced Graphite for Lithium Ion Batteries<\/h3>\n

Electrical Vehicle Symposium and Exhibition (EVS 30), Stuttgart, Germany – October 9, 2017<\/h4>\n

This technical paper, which was published in the EVS 30 proceedings, summarizes the electrochemical performance achieved previously on the Lac Knife natural crystalline flake graphite along with the initial results on the testing of the Lac Knife silicon enhanced graphite in lithium Ion coin cells. The data show that, at an addition level of 4.5% silicon, the application of a carbon coating to the Lac Knife spherical graphite resulted in an increase in the reversible capacity to 460 Ah\/kg (See Figure 12) which is 24% higher than the theoretical capacity of 372 Ah\/kg for graphite alone.as compared with a reversible capacity of 392 Ah\/kg for the uncoated version (See Figure 11). Although coin cell tests at the 18% silicon addition level were only run on the uncoated version of the spherical graphite, the reversible capacity did reach 612 Ah\/kg (See Figure 13) which is almost double the capacity that can be achieved with commercially available grades of synthetic and flake graphites. As noted previously, applying a carbon coating to this grade will increase the reversible capacity of the 18% silicon enhanced Lac Knife graphite even further.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652360144081{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2FDoninger-EVS30-Symposium-Paper-AUGUST-29-2017.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Advances in the Performance of Lac Knife Natural Flake and Expanded Graphite in Electrochemical Power Sources<\/h3>\n

34th International Battery Seminar, Fort Lauderdale FL – March 20, 2017<\/h4>\n

This presentation introduces the development of a new Superfine grade of coated spherical flake graphite for high power applications that has a d50 of 11.9 microns compared with d50s of 17.4 and 23.9 microns for the Fine and Standard grades (See Figure 2 and Table 1), It also highlights the extended long term cycling performance of the Lac Knife graphite where the coin cells made with the Lac Knife flake graphite lasted about 560 cycles and only lost about 4.5% of its capacity before the end of the test compared with the performance of two commercial grades of flake graphite which had capacity losses of 10.5% and 11.7% and didn’t last as long (See Figure 4). Additional conductivity enhancement data on two new grades (d50s of 21 and 3.5 microns) of expanded graphite are compared with the performance of commercial synthetic and expanded flake graphite in Lithium Ion (See Figure 5) and Alkaline (See Figure 7) batteries.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652361186596{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2F34th-IBS-PPT-Joe-Doninger-3-14-17.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Electrochemical Performance of Lac Knife High Purity Flake in the Anode and Cathode of Lithium Ion Batteries<\/h3>\n

16th Annual Advanced Automotive Battery Conference, Detroit, MI – June 14, 2016<\/h4>\n

This presentation includes coin cell data comparing the performance of the Lac Knife flake graphite with synthetic graphite at different charging rates and shows (See Fig. 8) that, at a C\/2 charging rate, the capacity of the batteries made with the Lac Knife graphite (252 Ah\/kg) was still 24% higher than what was achieved with synthetic graphite (204 Ah\/kg) at the same rate. It also shows the importance of using high purity graphite to improve the long term cycling performance of Lithium Ion batteries (See Figure 13).[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652360569336{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2FAABC-Meeting-Presentation.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Long Term cycling Performance and Conductivity Enhancement Characteristics of Lac Knife Flake Graphite from Quebec, Canada<\/h3>\n

33rd International Battery Seminar, Fort Lauderdale FL – March 21, 2016<\/h4>\n

This presentation shows that the reversible capacity of Lithium Ion batteries made with Lac Knife natural flake graphite is 6% higher than what was achieved with commercial synthetic graphite (See Table 1). Initial long-term cycling tests also show that the Lac Knife graphite exhibited almost zero loss in capacity after 110 cycles when the two commercial grades of natural flake graphite tested exhibited capacity losses of 4 to 6% (See Figure 7). It also includes the process used to produce expanded Lac Knife graphite which results in the manufacture of a high performance conductive graphite that is 5 to 6 times more conductive than standard flake and synthetic graphite in the cathode of Lithium Ion batteries at a 2% addition level (See Figure 10).[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652360589316{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2F33rd-Int-l-Battery-Seminar-J-Doninger-3-16-16.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1652359954559{margin-top: 30px !important;}\u00a0\u00bb][vc_column][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb style=\u00a0\u00bbdotted\u00a0\u00bb border_width=\u00a0\u00bb2″ accent_color=\u00a0\u00bb#d32633″][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

Electrochemical Performance of High Purity Graphite from the Lac Knife Graphite Deposit in Quebec, Canada<\/h3>\n

32nd international Battery Seminar, Fort Lauderdale FL – March 10, 2015<\/h4>\n

The first half of this presentation covers the history of the development of the Lac Knife graphite deposit, our exploration and drilling program, and our extensive flotation pilot plant testing program used to recover a 98.3% carbon flake graphite concentrate from the Lac Knife ore (See Slide 19).The second half of this presentation shows how the Lac Knife graphite was purified, spheroidized, carbon coated and classified to produce our standard and fine grades of Lithium Ion battery grade graphite and then tested in coin cells to obtain performance data (See Slide 25) which show that the Lac Knife battery grade graphite achieved nearly theoretical reversible capacities of 365 Ah\/kg and irreversible capacity losses of 1.0% and 1.4%.[\/vc_column_text][vc_btn title=\u00a0\u00bbPRESENTATION\u00a0\u00bb style=\u00a0\u00bbcustom\u00a0\u00bb custom_background=\u00a0\u00bb#d32633″ custom_text=\u00a0\u00bb#ffffff\u00a0\u00bb i_icon_fontawesome=\u00a0\u00bbfas fa-file-pdf\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1652361103637{margin-right: 10px !important;}\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffocusgraphite.com%2Fwp-content%2Fuploads%2F2022%2F05%2F32nd-Int-l-Battery-Seminar-Final-March-10-2015.pdf|target:_blank\u00a0\u00bb][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb] Le Dr Joseph E. Doninger est reconnu comme l\u2019un des plus grands experts mondiaux en traitement du carbone et du graphite, avec plusieurs d\u00e9cennies d\u2019exp\u00e9rience dans l\u2019application concr\u00e8te des technologies avanc\u00e9es du carbone. Avec une carri\u00e8re distingu\u00e9e s\u2019\u00e9tendant sur plus de 50 ans, le Dr Doninger a occup\u00e9 des postes de haute direction…<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5006","page","type-page","status-publish","hentry","description-off"],"yoast_head":"\nNotre expert - Focus Graphite Advanced Materials<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Notre expert - Focus Graphite Advanced Materials\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb] Le Dr Joseph E. Doninger est reconnu comme l\u2019un des plus grands experts mondiaux en traitement du carbone et du graphite, avec plusieurs d\u00e9cennies d\u2019exp\u00e9rience dans l\u2019application concr\u00e8te des technologies avanc\u00e9es du carbone. Avec une carri\u00e8re distingu\u00e9e s\u2019\u00e9tendant sur plus de 50 ans, le Dr Doninger a occup\u00e9 des postes de haute direction…\" \/>\n<meta property=\"og:url\" content=\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Focus Graphite Advanced Materials\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/focusgraphite\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-28T18:25:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"396\" \/>\n\t<meta property=\"og:image:height\" content=\"398\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@focusgraphite\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/\",\"url\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/\",\"name\":\"Notre expert - Focus Graphite Advanced Materials\",\"isPartOf\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg\",\"datePublished\":\"2025-04-28T18:22:18+00:00\",\"dateModified\":\"2025-04-28T18:25:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage\",\"url\":\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg\",\"contentUrl\":\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/focusgraphite.com\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Notre expert\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/#website\",\"url\":\"https:\/\/focusgraphite.com\/fr\/\",\"name\":\"Focus Graphite\",\"description\":\"The Most Advanced Battery-Grade Graphite Project in North America\",\"publisher\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/focusgraphite.com\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/#organization\",\"name\":\"Focus Graphite\",\"url\":\"https:\/\/focusgraphite.com\/fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/focusgraphite.com\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2021\/07\/Focus-Graphite-Logo-ret.png\",\"contentUrl\":\"https:\/\/focusgraphite.com\/wp-content\/uploads\/2021\/07\/Focus-Graphite-Logo-ret.png\",\"width\":370,\"height\":180,\"caption\":\"Focus Graphite\"},\"image\":{\"@id\":\"https:\/\/focusgraphite.com\/fr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/focusgraphite\",\"https:\/\/x.com\/focusgraphite\",\"https:\/\/www.linkedin.com\/company\/focus-graphite\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Notre expert - Focus Graphite Advanced Materials","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/","og_locale":"fr_FR","og_type":"article","og_title":"Notre expert - Focus Graphite Advanced Materials","og_description":"[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb] Le Dr Joseph E. Doninger est reconnu comme l\u2019un des plus grands experts mondiaux en traitement du carbone et du graphite, avec plusieurs d\u00e9cennies d\u2019exp\u00e9rience dans l\u2019application concr\u00e8te des technologies avanc\u00e9es du carbone. Avec une carri\u00e8re distingu\u00e9e s\u2019\u00e9tendant sur plus de 50 ans, le Dr Doninger a occup\u00e9 des postes de haute direction…","og_url":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/","og_site_name":"Focus Graphite Advanced Materials","article_publisher":"https:\/\/www.facebook.com\/focusgraphite","article_modified_time":"2025-04-28T18:25:42+00:00","og_image":[{"width":396,"height":398,"url":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@focusgraphite","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/","url":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/","name":"Notre expert - Focus Graphite Advanced Materials","isPartOf":{"@id":"https:\/\/focusgraphite.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage"},"image":{"@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage"},"thumbnailUrl":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg","datePublished":"2025-04-28T18:22:18+00:00","dateModified":"2025-04-28T18:25:42+00:00","breadcrumb":{"@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#primaryimage","url":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg","contentUrl":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2025\/04\/JD-298x300.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/focusgraphite.com\/fr\/recherche-et-developpement-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/focusgraphite.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Notre expert"}]},{"@type":"WebSite","@id":"https:\/\/focusgraphite.com\/fr\/#website","url":"https:\/\/focusgraphite.com\/fr\/","name":"Focus Graphite","description":"The Most Advanced Battery-Grade Graphite Project in North America","publisher":{"@id":"https:\/\/focusgraphite.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/focusgraphite.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/focusgraphite.com\/fr\/#organization","name":"Focus Graphite","url":"https:\/\/focusgraphite.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/focusgraphite.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2021\/07\/Focus-Graphite-Logo-ret.png","contentUrl":"https:\/\/focusgraphite.com\/wp-content\/uploads\/2021\/07\/Focus-Graphite-Logo-ret.png","width":370,"height":180,"caption":"Focus Graphite"},"image":{"@id":"https:\/\/focusgraphite.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/focusgraphite","https:\/\/x.com\/focusgraphite","https:\/\/www.linkedin.com\/company\/focus-graphite\/"]}]}},"_links":{"self":[{"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/pages\/5006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/comments?post=5006"}],"version-history":[{"count":5,"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/pages\/5006\/revisions"}],"predecessor-version":[{"id":5203,"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/pages\/5006\/revisions\/5203"}],"wp:attachment":[{"href":"https:\/\/focusgraphite.com\/fr\/wp-json\/wp\/v2\/media?parent=5006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}