摘要:
A positive electrode for a non-aqueous electrolytic secondary battery, includes: 1) a current collector; and 2) an active material layer formed on a surface of the current collector, the active material layer including: i) a positive electrode active material having an average particle diameter of less than or equal to 5 μ, ii) a conductivity assistant including: a) a particulate conductive material having: a primary particle diameter of less than or equal to 70 nm, and an aggregate size of less than 1 μm, and b) a long chain conductive material, and iii) a binder.
摘要:
The present invention provides a composite positive electrode material for a lithium ion battery, which is particularly excellent in high-rate discharge characteristics in a battery, and also provides a slurry, positive electrode and battery using the composite positive electrode material. The composite positive electrode material for a lithium ion battery contains: a positive electrode active material (a); a conductive material (b) having a primary particle diameter of 10 to 100 nm and/or a fibrous conductive material (c) having a fiber diameter of 1 nm to 1 μm; and a conductive material (d) having an aspect ratio of 2 to 50.
摘要:
Disclosed is a composite positive electrode material for lithium ion batteries, which especially enables to achieve excellent high-rate discharge characteristics in a battery. Also disclosed are a slurry, positive electrode and battery using such a composite positive electrode material. Specifically disclosed is a composite positive electrode material for lithium ion batteries, which contains a positive electrode active material (a), a conductive substance (b) having a primary particle diameter of 10-100 nm and/or a fibrous conductive substance (c) having a fiber diameter of from 1 nm to 1 μm, and a conductive substance (d) having an aspect ratio of 2-50. This composite positive electrode material for lithium ion batteries is obtained by mixing the conductive substance (d) with a composition containing the positive electrode active material (a), the conductive substance (b) and/or the conductive substance (c), which composition is obtained by dispersing the positive electrode active material (a), the conductive substance (b) and/or the conductive substance (c) in a solvent to a state where they are forcibly dispersed, and then agglutinating them.
摘要:
A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.
摘要:
A lithium ion battery with cell elements includes a cathode, an anode, and an electrolyte layer between the cathode and the anode. The electrolyte layer includes an arrangement of insulating particles with a plurality of interstitial spaces therebetween, with electrolytes occupying at least some of the interstitial spaces.
摘要:
The invention relates to fuel cells and methods of making bipolar fuel cell electrodes. The invention provides a method of producing bipolar fuel cell electrodes, including providing a collector having a first side and a second side opposite the first side, coating the first side with a first active material, coating the second side with a second active material, and compressing the coated collector to form a bipolar cell electrode. The invention also provides a method of producing bipolar fuel cell electrodes wherein the first side of the collector is first coated with the first active material and compressed at a first pressure, and subsequently the second side of the collector is coated with the second active material and compressed at a second pressure. The invention further provides an improved bipolar electrode for fuel cells.
摘要:
A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.
摘要:
The invention relates to fuel cells and methods of making bipolar fuel cell electrodes. The invention provides a method of producing bipolar fuel cell electrodes, including providing a collector having a first side and a second side opposite the first side, coating the first side with a first active material, coating the second side with a second active material, and compressing the coated collector to form a bipolar cell electrode. The invention also provides a method of producing bipolar fuel cell electrodes wherein the first side of the collector is first coated with the first active material and compressed at a first pressure, and subsequently the second side of the collector is coated with the second active material and compressed at a second pressure. The invention further provides an improved bipolar electrode for fuel cells.
摘要:
Disclosed herein is a non-aqueous solvent secondary battery, which has excellent long-term reliability and high thermal-resistance through the improved thermal resistance of the collectors. The non-aqueous solvent secondary battery comprises a cathode electrically coupled to a collector, an anode electrically coupled to a collector and an electrolyte layer interposed between the cathode and anode. The cathode, anode and electrolyte layer are stacked upon one another. The collector of the cathode side comprises an alloy-based metal foil with at least a portion of the collector of the cathode side having a Pitting Resistance Equivalent (PRE) of 45 or more.