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Supercapacitor structure
| Details |
Inventors: Amatucci, Glenn G.; DuPasquier, Aurelien; Tarascon, Jean-Marie;
Assignee: Telcordia Technologies, Inc. (Morristown, NJ)
Primary Examiner: Kincaid; Kristine
Assistant Examiner: Thomas; Eric W.
Attorney, Agent or Firm: Hey; David A.
Supercapacitor cell electrode and separator elements formulated as membranes of plasticized polymeric matrix compositions are laminated with electrically conductive current collector elements to form flexible, unitary supercapacitor structures. The matrix plasticizer component is extracted from the laminate with polymer-inert solvent and replaced with electrolyte solution to activate the supercapacitor. Various arrangements of cell structure elements provide parallel and series cell structures which yield improved specific energy capacity and increased voltage output for utilization demands. The supercapacitor elements may also be laminated with similar polymeric rechargeable battery cell structures to provide hybrid devices capable of delivering both high energy and high power as needed in electronic systems. |
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DETAILED DESCRIPTION What is claimed is: 1.
A supercapacitor structure formed as a unitary flexible laminate structure comprising: a) a first electrode member of first polarity, comprising a flexible polymeric matrix membrane having an activated carbon powder uniformly distributed therein and an electrically conductive current collector element; b) a first separator member, comprising a flexible, polymeric matrix membrane, said first separator member bonded to said first electrode member; c) a second electrode member of second polarity opposite said first polarity, comprising a flexible polymeric matrix membrane having an activated carbon powder uniformly distributed therein and an electrically conductive current collector element, said second electrode member bonded to said first separator member opposite said first electrode member; d) a second separator member, comprising a flexible, polymeric matrix membrane, said second separator member bonded to said second electrode member opposite said first separator member; and e) a third electrode member of said first polarity, comprising a flexible polymeric matrix membrane having an activated carbon powder uniformly distributed therein and an electrically conductive current collector element, said third electrode member bonded to said second separator member opposite said second electrode member.
2.
A supercapacitor structure comprising in contiguity a positive electrode member, a negative electrode member, and a separator member disposed therebetween, wherein a) said positive electrode member comprises a flexible polymeric matrix membrane having an activated carbon powder uniformly distributed therein and an electrically conductive current collector element bonded to said membrane, b) said negative electrode member comprises a flexible polymeric matrix membrane having an activated carbon powder uniformly distributed therein and an electrically conductive current collector element bonded to said membrane, c) said separator member comprises a flexible, polymeric matrix membrane, and d) said positive electrode member and said negative electrode member are bonded to opposite interface surfaces of said separator member to form a unitary flexible laminate structure
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MEMS 
