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Title:
PREPARATION METHOD FOR HIGH-STRENGTH GRAPHITE ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2024/082709
Kind Code:
A1
Abstract:
A preparation method for a high-strength graphite electrode, the preparation method comprising the following steps: first preparing raw materials and auxiliary materials, and accurately weighing the raw materials and the auxiliary materials; then crushing, grinding and screening the raw materials and the auxiliary materials to ensure the uniformity thereof during later preparation; then calcining the raw materials, and after calcination and cooling, kneading same and the auxiliary materials; then performing forming, extruding and roasting, wherein the roasting is performed in two steps; performing a graphitizing treatment after the roasting is finished; and finally trepanning the obtained graphite electrode and spray-coating same with an anti-oxidation layer. By means of the preparation method for a high-strength graphite electrode, when the graphite electrode is used for a long time, air circulation is facilitated via heat dissipation holes to transfer the internal temperature outwards, such that the heat dissipation of the graphite electrode is accelerated; moreover, under the action of an anti-oxidation layer, the graphite electrode can be protected, the oxidation speed of the graphite electrode is effectively reduced, and the service life of the graphite electrode is prolonged.

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Inventors:
AN ZHIQIANG (CN)
ZHANG LIANWEI (CN)
WANG TAO (CN)
Application Number:
PCT/CN2023/104422
Publication Date:
April 25, 2024
Filing Date:
June 30, 2023
Export Citation:
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Assignee:
WANJI HOLDING GROUP GRAPHITE PRODUCT CO LTD (CN)
International Classes:
C04B35/52; C04B35/532; C04B35/622; C04B35/626; C04B41/87
Foreign References:
CN109665845A2019-04-23
CN107311662A2017-11-03
CN108155385A2018-06-12
CN109665852A2019-04-23
CN110330337A2019-10-15
CN111018554A2020-04-17
DE102015222434A12017-05-18
US20050254545A12005-11-17
CN115490521A2022-12-20
Attorney, Agent or Firm:
BEIJING CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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