# US 8,541,134 B2 · Electrode using three-dimensional network aluminum porous body, and nonaqueous electrolyte battery, capacitor and lithium-ion capacitor with nonaqueous electrolytic solution, each using the electrode > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,541,134 B2 - Document ID: US8541134B2 - Status: Granted - Kind: B2 - Application number: 13/569,300 - Filed: 2012-08-08 - Published: 2013-02-14 - Granted: 2013-09-24 - Earliest claimed: 2011-02-18 - Assignees: Sumitomo Electric Industries, Ltd.; Sumitomo Electric Toyama Co., Ltd. - Applicants: Akihisa Hosoe; Kazuki Okuno; Hajime Ota; Koutarou Kimura; Kengo Goto; Hideaki Sakaida; Junichi Nishimura - Inventors: Akihisa Hosoe; Kazuki Okuno; Hajime Ota; Koutarou Kimura; Kengo Goto; Hideaki Sakaida; Junichi Nishimura - Web page: https://patentgrep.com/patent/US8541134B2 ## CPC - H01G 9/045: based on aluminium - H01G 9/048: characterised by their structure (H01G11/22 takes precedence) - H01G 11/06: with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC] - H01G 11/28: arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives - H01G 11/70: characterised by their structure - H01M 4/04: Processes of manufacture in general - H01M 4/043: {involving compressing or compaction} - H01M 4/13: Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof - H01M 4/661: {Metal or alloys, e.g. alloy coatings (H01M4/669 take precedence)} - H01M 4/80: Porous plates, e.g. sintered carriers - H01M 10/052: Li-accumulators - Y02E 60/10: Energy storage using batteries - Y02E 60/13: Energy storage using capacitors - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10) - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract In an electrode according to the present invention including a three-dimensional network aluminum porous body as a base material, the electrode is a sheet-shaped electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the longitudinal direction and thickness direction of the electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the width direction and thickness direction of the electrode. The electrode is preferably obtained by subjecting the three-dimensional network aluminum porous body to at least a current collecting lead welding step, an active material filling step and a compressing step. ## Claims ### Claim 1 An electrode comprising a three-dimensional network aluminum porous body as a base material, wherein the electrode is a sheet-shaped electrode, and the three-dimensional network aluminum porous body has an elliptic shaped cell, and wherein when a cross section in the thickness direction of the electrode is divided into three regions of a region 1, a region 2 and a region 3 in this order, a ratio of the average of the number of cross sections of an aluminum skeleton in the region 1 and the region 3 to the number of cross sections of an aluminum skeleton in the region 2 is larger than 1.2. ### Claim 2 (depends on 1) The electrode according to claim 1, wherein the three-dimensional network aluminum porous body has an elliptic shaped cell having a minor axis in a thickness direction of the electrode in a cross section parallel to a longitudinal direction and the thickness direction of the electrode, and the three-dimensional network aluminum porous body has an elliptic shaped cell having a minor axis in the thickness direction of the electrode in a cross section parallel to a width direction and the thickness direction of the electrode. ### Claim 3 (depends on 1) The electrode according to claim 1, which is obtained by subjecting the three-dimensional network aluminum porous body to at least a current collecting lead welding step, an active material filling step and a compressing step. ### Claim 4 (depends on 1) The electrode according to claim 1, wherein the outermost surface of the three-dimensional network aluminum porous body is covered with an active material, and the three-dimensional network aluminum porous body is not exposed from the active material. ### Claim 5 (depends on 1) The electrode according to claim 1, wherein the active material is not present in a portion from the outermost surface to a depth of 0.02 mm of the three-dimensional network aluminum porous body. ### Claim 6 (depends on 1) The electrode according to claim 1, wherein the three-dimensional network aluminum porous body has an elliptic shaped cell having a minor axis in a width direction of the electrode in a cross section parallel to a thickness direction of the electrode. ### Claim 7 (depends on 1) A nonaqueous electrolyte battery, comprising using the electrode according to claim 1. ### Claim 8 (depends on 1) A capacitor with a nonaqueous electrolytic solution, comprising using the electrode according to claim 1. ### Claim 9 (depends on 1) A lithium-ion capacitor with a nonaqueous electrolytic solution, comprising using the electrode according to claim 1.