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公开(公告)号：US3508970A
公开(公告)日：1970-04-28
申请号：US3508970D
申请日：1966-12-30
Applicant: GEN ELECTRIC
Inventor： GRUBB WILLARD T , CLICHE CARL E
CPC classification number: H01M8/00 , H01M8/08 , H01M8/2455
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公开(公告)号：US3522096A
公开(公告)日：1970-07-28
申请号：US3522096D
申请日：1966-12-30
Applicant: GEN ELECTRIC
Inventor： GRUBB WILLARD T , CLICHE CARL E
CPC classification number: H01M4/86
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3.发明授权Composite electrode and electrochemical cell with at least one gas diffusion electrode 失效具有至少一个气体扩散电极的复合电极和电化学细胞
公开(公告)号：US3629008A
公开(公告)日：1971-12-21
申请号：US3629008D
申请日：1968-05-02
Applicant: GEN ELECTRIC
Inventor： GRUBB WILLARD T , CLICHE CARL E
Abstract: A composite gas diffusion electrode has an electrode body, at least one water-soluble polymeric thickening or gelling agent swellable in an aqueous electrolyte, and a layer of the thickening agent adhering to and covering at least a portion of one of the surfaces of the electrode body. Upon subsequent use in contact with an aqueous electrolyte, the thickening agent swells on the covered surface of the electrode body preventing electrolyte leakage therethrough, preventing drowning of the electrode, reducing loss of any dissolved fuel in the electrolyte, and immobilizing at least partially the electrolyte. Additionally, an electrochemical cell with at least one gas diffusion electrode has the above type of thickening agent covering various portions of the interior structure of the cell. Upon subsequent use in contact with an aqueous electrolyte, the thickening agent swells on covered portions of the interior structure preventing electrolyte leakage therethrough, and immobilizing at least partially the electrolyte.
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