Patent US4948685A successfully refreshed from Google Patents.
US4948685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-shaped electrode, method of producing the same, and secondary battery using the sheet-shaped electrode
Assignee: Ricoh Co Ltd
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Filing: 1988-09-06
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Granted: 1990-08-14
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Expires: 2008-09-06
Abstract
Abstract A composite sheet-shaped electrode comprising an aluminum collector and aniline type polymer serving as an active material, a secondary battery using the composite sheet-shaped electrode as the positive electrode thereof, and a method of preparing electrochemically the composite sheet-shaped electrode on the aluminum collector are disclosed.
Inventors
- 👤 Toshiyuki Ohsawa
- 👤 Toshiyuki Kabata
- 👤 Okitoshi Kimura
- 👤 Sachiko Yoneyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:26
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/13; H01M4/137; G; G02; G02F; G02F1/00; G02F1/01; G02F1/15; G02F1/153; G02F1/155; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; H01B1/128; H01M10/00; H01M10/05; H01M10/052; H01M10/056; H01M10/0561; H01M10/0562; H01M10/0564; H01M10/0565; H01M4/36; H01M4/60; H01M4/64; H01M50/00; H01M50/40; H01M50/46; H01M50/10; H01M50/116; H01M50/117; H01M50/119; H01M50/121; H01M50/124; H01M50/126; H01M50/129; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
18 words
A sheet-shaped electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 2
Dependent Claim
18 words
A sheet-shaped electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 3
Dependent Claim
22 words
The sheet-shaped electrode as claimed in claim 1, wherein said aniline based polymeric active material is coated with an electroconductive polymeric material.
Claim 4
Dependent Claim
22 words
The sheet-shaped electrode as claimed in claim 1, wherein said aniline based polymeric active material is coated with a polymeric solid electrolyte.
Claim 5
Dependent Claim
26 words
A secondary battery comprising a sheet-shaped electrode comprising as a positive electrode a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 6
Dependent Claim
26 words
A secondary battery comprising a sheet-shaped electrode comprising as a positive electrode a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 7
Dependent Claim
22 words
The secondary battery as claimed in claim 4, wherein said aniline based polymeric active material is coated with an electroconductive polymeric material.
Claim 8
Dependent Claim
22 words
The secondary battery as claimed in claim 4, wherein said aniline based polymeric active material is coated with a polymeric solid electrolyte.
Claim 9
Dependent Claim
80 words
A secondary battery comprising a positive electrode including an surfaced roughened aluminum collector having a terminal, a separator, and a negative electrode including a collector having a terminal, each being sheet-shaped, which positive electrode and negative electrode are folded alternately so as to cross each other through said separator, said terminals being provided at an end portion of said respective electrodes, and which positive electrode comprises an aniline based polymeric active material provided on both sides of said aluminum collector.
Claim 10
Dependent Claim
80 words
A secondary battery comprising a positive electrode including an surfaced roughened aluminum collector having a terminal, a separator, and a negative electrode including a collector having a terminal, each being sheet-shaped, which positive electrode and negative electrode are folded alternately so as to cross each other through said separator, said terminals being provided at an end portion of said respective electrodes, and which positive electrode comprises an aniline based polymeric active material provided on both sides of said aluminum collector.
Claim 11
Dependent Claim
22 words
The secondary battery as claimed in claim 7, wherein said aniline based polymeric active material is coated with an electroconductive polymeric material.
Claim 12
Dependent Claim
22 words
The secondary battery as claimed in claim 7, wherein said aniline based polymeric active material is coated with a polymeric solid electrolyte.
Claim 13
Dependent Claim
32 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 14
Dependent Claim
32 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon.
Claim 15
Dependent Claim
38 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode being a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material which is coated with an electroconductive polymeric material.
Claim 16
Dependent Claim
38 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode being a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material which is coated with an electroconductive polymeric material.
Claim 17
Dependent Claim
38 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode being a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material which is coated with a polymeric solid electrolyte.
Claim 18
Dependent Claim
38 words
A secondary battery comprising a positive electrode, a solid electrolyte and a negative electrode, said positive electrode being a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material which is coated with a polymeric solid electrolyte.
Claim 19
Independent Claim
51 words
A method of producing a sheet-shaped electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon, which comprises a step of performing electrochemical polymerization of aniline or an aniline derivative in the presence of an acid with PKa in the range of -2.5 to 2.5.
Claim 20
Independent Claim
51 words
A method of producing a sheet-shaped electrode comprising a sheet-shaped, surface-roughened aluminum collector and an aniline based polymeric active material formed thereon, which comprises a step of performing electrochemical polymerization of aniline or an aniline derivative in the presence of an acid with PKa in the range of -2.5 to 2.5.
Claim 21
Dependent Claim
23 words
The method as claimed in claim 13, further comprising a step of continuing said electrochemical polymerization in the presence of HBF 4 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-08-13 | 1994-02-12 | 1994-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-13 | 1998-02-12 | 1998-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-13 | 2002-02-12 | 2002-08-14 | $7700.00 | Window Closed / Lapsed |