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EP0108492A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Composite photocell

Assignee: Hitachi Ltd
•
Filing: 1983-09-30
•
Granted: —
•
Expires: 2003-09-30
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Abstract

Abstract A composite photoceu including a solar cell and a secondary cell is disclosed in which the solar cell (1,4,5,6,7) is formed on one of a pair of main surfaces of a resin film (8) and the main body (5, 6, 7.) of the solar cell is made of micro-crystalline silicon containing hydrogen to decrease the number of recombination centers caused by interface strains and dangling bonds, and in which the secondary cell is provided on the other main surface of the resin film (8) and includes an anode (3) made of TiS,. a solid electrolyte layer (3) made of Li 4 SiO 4 ·Li 3 PO 4 and a cathode (2) made of LiAl, to decrease the thickness of the secondary cell. This composite photocell can take the form of a card and is light in weight.

Inventors

  • 👤 Tsuyoshi Uda
  • 👤 Katsuki Miyauchi
  • 👤 Eiichi Maruyama
  • 👤 Toshikazu Shimada
  • 👤 Yoshimasa Murayama

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 09:32
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F10/17; H10F10/172; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; H01M10/42; H01M10/46; H01M16/00; H10F77/00; H10F77/90; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/548; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 70 words
A composite photocell comprising: a solar cell (1, 4, 5, 6, 7) capable of generating an electromotive force upon irradiation, formed of deposited layers and provided on one of a pair of main surfaces of a substrate (8); and a thin-film cell (2, 3, 9) capable of storing electric charge., formed of deposited layers and provided on said one main surface or the other main surface of said substrate (8).
Claim 2
Dependent Claim 70 words
A composite photocell comprising: a solar cell (1, 4, 5, 6, 7) capable of generating an electromotive force upon irradiation, formed of deposited layers and provided on one of a pair of main surfaces of a substrate (8); and a thin-film cell (2, 3, 9) capable of storing electric charge., formed of deposited layers and provided on said one main surface or the other main surface of said substrate (8).
Claim 3
Dependent Claim 43 words
A composite photocell according to Claim 1, wherein one of amorphous silicon, micro-crystalline silicon and polycrystalline silicon each containing hydrogen is used as the matrix of said solar cell, and junction or contact forming a potential barrier is formed, in said solar cell.
Claim 4
Dependent Claim 27 words
A composite photocell according to claim 1 or claim 2 wherein said thin-film cell includes a solid electrolyte layer (9) having ionic conductivity caused by lithium ions.
Claim 5
Dependent Claim 43 words
A composite photocell according to Claim 3, wherein said thin-film cell includes a cathode (2) made of a lithium compound, a solid electrolyte layer (3) made of Li 4 SiO 4 ·Li 3 PO 4 , and an anode (3) made of TiSï.
Claim 6
Dependent Claim 29 words
A composite photocell according to any one of claims 1 to 4, wherein said substrate (8) is formed of one of a resin film, metal foil, and combinations thereof.
Claim 7
Dependent Claim 18 words
A composite photocell according to claim 4 wherein said composite photocell is in the form of a card.

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