US2010065119A1PendingUtilityA1

ELECTRODE HAVING A CoS LAYER THEREON, PROCESS OF PREPARATION, AND USES THEREOF

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Assignee: MARSAN BENOITPriority: Oct 23, 2003Filed: Nov 27, 2009Published: Mar 18, 2010
Est. expiryOct 23, 2023(expired)· nominal 20-yr term from priority
Inventors:Benoit MarsanBernard Bourguignon
Y02E10/542H01M 14/005H01G 9/2054H01M 4/5815H01M 14/00H01M 4/0452H01M 4/52C25D 9/08H01M 4/48H01M 4/366Y10T428/265Y02E60/10
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Claims

Abstract

The present invention relates to an electrode comprising a non-conductive substrate, a first layer and a second layer. The first layer is disposed on the substrate and comprises indium tin oxide or fluorine-doped SnO 2 . The second layer is disposed on the first layer and comprises CoS. A process for preparing this electrode is also disclosed. Such an electrode is particularly useful in a photovoltaic cell.

Claims

exact text as granted — not AI-modified
1 - 56 . (canceled) 
   
   
       57 . A composition comprising:
 a polymer substrate;   a first layer disposed on said substrate, said layer comprising indium tin oxide or fluorine-doped SnO 2 ; and   a second layer disposed on said first layer, said second layer comprising CoS,   wherein said first and second layers are each at least substantially transparent.   
   
   
       58 . The composition of  claim 57 , wherein said polymer substrate comprises a polymer selected from the group consisting of polycarbonate, acetate, polyethylene terephthalate, polyethylene naphthalate and polyimide. 
   
   
       59 . The composition of  claim 57 , wherein said polymer substrate has a sheet resistance of about 8 to about 15 Ω/□. 
   
   
       60 . The composition of  claim 57 , wherein said second layer has a thickness of less than about 15 μm. 
   
   
       61 . The composition of  claim 57 , wherein said second layer has a thickness of less than about 5 μm. 
   
   
       62 . The composition of  claim 57 , wherein said composition has a transmittance of visible polychromatic light of at least 65%. 
   
   
       63 . The composition of  claim 57 , wherein said composition has a transmittance of visible polychromatic light of at least 90%. 
   
   
       64 . A composition comprising:
 a polymer substrate;   a first layer disposed on said substrate, said first layer comprising indium tin oxide or fluorine-doped SnO 2 ;   a second layer disposed on said first layer, said second layer comprising Co(OH) 2 ; and   a third layer disposed on said second layer, said third layer comprising CoS,   
     wherein said first, second and third layers are each at least substantially transparent. 
   
   
       65 . The composition of  claim 64 , wherein said polymer substrate comprises a polymer selected from the group consisting of polycarbonate, acetate, polyethylene terephthalate, polyethylene naphthalate and polyimide. 
   
   
       66 . The composition of  claim 64 , wherein said polymer substrate comprises polycarbonate. 
   
   
       67 . The composition of  claim 64 , wherein said polymer substrate comprises polyethylene terephthalate. 
   
   
       68 . The composition of  claim 64 , wherein said polymer substrate has a sheet resistance of about 8 to about 15 Ω/□. 
   
   
       69 . The composition of  claim 64 , wherein said second layer has a thickness of less than about 5 μm. 
   
   
       70 . The composition of  claim 64 , wherein said third layer has a thickness of less than about 15 μm. 
   
   
       71 . The composition of  claim 64 , wherein said third layer has a thickness of less than about 5 μm. 
   
   
       72 . The composition of  claim 64 , wherein said third layer has a thickness of about 0.25 to about 4 μm. 
   
   
       73 . The composition of  claim 64 , wherein said composition has a transmittance of visible polychromatic light of at least 65%. 
   
   
       74 . The composition of  claims 64 , wherein said composition has a transmittance of visible polychromatic light of at least 90%. 
   
   
       75 . A process for preparing a multilayer composition comprising:
 converting at least a portion of a Co(OH) 2  layer into a layer of CoS, by contacting said layer of Co(OH) 2  with a basic composition comprising at least one source of sulfur and a base which is weaker than LiOH, NaOH, and KOH, said Co(OH) 2  layer being deposited on an indium tin oxide layer which is deposited on a polymer substrate or said Co(OH) 2  layer being deposited on a fluorine-doped SnO 2  layer which is deposited on a polymer substrate.   
   
   
       76 . The process of  claim 75 , wherein said base is NH 4 OH or a similar weak base.

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