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7504180 Positive electrode material for lithium secondary battery and process for producing the same  
There is obtained a material of a positive electrode for a secondary lithium-ion cell having high cycle durability and high safety in high-voltage and high-capacity applications, which is a...
7482101 Battery  
A battery is provided. The battery provides improved battery characteristics such as cycle characteristics. A battery includes a cathode; an anode; and an electrolytic solution, wherein the anode...
7419744 Nonaqueous electrolyte secondary battery and battery pack  
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains an active material providing a working...
7416813 Lithium secondary battery  
A lithium secondary battery is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte prepared by dissolving a solute in a non-aqueous solvent wherein a positive...
RE40302 Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same  
Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or...
7335448 Lithium ion secondary battery  
A lithium ion secondary battery includes: (a) a positive electrode plate comprising an active material part and a current collector carrying the active material part, the active material part...
7235331 Semi-Interpenetrating polymer network electrolyte, process for producing the same and battery using the same  
An electrolyte with high ion conductivity, a process for producing the same and a battery using the same, and a compound for the electrolyte. The electrolyte is set between a negative electrode and...
7211352 Single ion conductor-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same  
Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance...
7070706 Composition of nano-tube composite polymer electrolyte and fabrication method thereof  
This invention pertains to the composition and method for fabricating nano-tube composite polymer electrolyte. The composite polymer electrolyte is made by blending suitable amount of highly...
6893774 Fluoroalkylphosphate salts, and process for the preparation of these substances  
Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors,...
6866965 Polymeric electrolyte and lithium battery employing the same  
A polymeric electrolyte and a lithium battery lithium employing the same. The polymeric electrolyte includes a cross-linked polyether urethane prepared by reacting a pre-polymer having a...
6858346 Salts of alkali metals of N, N′ disubstituted amides of alkane sulfinic acid and nonaqueous electrolytes on their basis  
An organic salt having an alkali metal bound to a disubstituted amide of alkane iminosulfinic acid has the following general formula: where Ar is an aromatic group, M is an alkali metal such...
6815123 Lithium-ion battery using heat-activatable microporous membrane  
The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also...
6767671 Non-aqueous electrolytic solution and secondary battery containing same  
A non-aqueous electrolytic solution capable of depressing deterioration of battery properties in a high temperature environment is provided. A secondary battery is also provided. The non-aqueous...
6759170 Organic carbonate additives for nonaqueous electrolyte rechargeable electrochemical cells  
A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized...
6743549 Nonaqueous electrolyte lithium secondary batteries  
This invention relates to electrolyte solution compositions useful in lithium-ion batteries. These electrolytes feature lower volatility than solutions known in the art while retaining excellent...
6727024 Polyalkylene oxide polymer composition for solid polymer electrolytes  
The present invention relates to a polyalkylene oxide based polymer composition for solid polymer electrolytes having superior mechanical properties and ionic conductivity by comprising a...
6713215 Non-aqueous electrolyte rechargeable batteries  
A non-aqueous electrolyte rechargeable battery is resistant to the reflow temperature during reflow soldering. The non-aqueous electrolyte rechargeable battery has a positive electrode having an...
6709789 Non-aqueous electrochemical cell  
Nonaqueous electrochemical cell ( 9 ) with a negative electrode ( 4 ), an electrolytic solution and a positive electrode ( 3 ). The operational safety is increased by the fact that the cell...
6699622 Solid or gel electrolyte and battery using the same  
Disclosed is an electrolyte capable of obtaining an excellent quality of electrolyte, and a battery using the electrolyte. A battery device in which a positive electrode and a negative electrode...
6696200 Lithium battery with boron-containing electrode  
A lithium battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte containing a lithium trifluoromethanesulfonimide solute and a solvent, wherein the positive...
6682823 Curable composition for polymer electrolyte  
It is the object of the present invention to provide a curable composition capable of giving a polymer electrolyte showing a high level of ionic conductivity and excellent mechanical strength as...
6680149 Solid polymer electrolytes using polyether poly (N-substituted urethane)  
The present invention relates to a solid polymer electrolyte of polyether poly(N-substituted urethane) comprising an electrolytic compound and a polymer matrix, wherein the polymer matrix is a...
6664006 All-solid-state electrochemical device and method of manufacturing  
All-solid-state electrochemical cells and batteries employing very thin film, highly conductive polymeric electrolyte and very thin electrode structures are disclosed, along with economical and...
6656634 Non-aqueous electrolytic secondary cell  
A non-aqueous electrolytic cell having a positive electrode, which has a positive electrode active material layer containing, at least a positive electrode active material; a negative electrode,...
6649307 Non-aqueous electrolyte secondary cell  
The present invention provides a non-aqueous electrolyte secondary cell including: a cathode containing a manganese oxide or a lithium-manganese composite oxide; an anode containing a lithium...
6645670 Efficient cell stack for cells with double current collectors sandwich cathodes  
The present invention improves the performance of lithium electrochemical cells by providing a new electrode assembly based on a sandwich cathode design, but termed a double screen sandwich cathode...
6645675 Solid polymer electrolytes  
A wide range of solid polymer electrolytes characterized by high ionic conductivity at room temperature, and below, are disclosed. These all-solid-state polymer electrolytes are suitable for use in...
6641957 Non-aqueous electrolyte cell  
The non-aqueous electrolyte battery of the present invention has a negative electrode comprising metallic lithium, a lithium alloy or a material capable of absorbing and desorbing lithium; a...
6641953 Secondary cell with high rate pulse capability  
A rechargeable lithium-ion cell capable of being discharged to deliver high power pulses sufficient for implantable defibrillation applications and the like, is described. The cell is housed in a...
6630271 Electrolyte polymers for lithium rechargeable batteries  
Use of vinylidenfluoride (VDF) copolymers for preparing electrolyte polymers, wherein the VDF copolymers have the following polymeric structure (I): (CH 2 —CF 2 ) m —(CXY—C(OR f )Z) n —(CF...
6627351 Non-aqueous electrolyte battery  
A non-aqueous electrolyte battery free from considerable change in the structure of a positive electrode active material thereof to enlarge the capacity thereof, incorporating a positive electrode...
6558850 Method of fabricating an electrolytic cell employing a solid polymer electrolyte  
A solid polymer electrolyte for an electrolytic cell is prepared by a sol-gel process in which an active metal ion conducting liquid electrolyte, e.g. a lithium-ion electrolyte, containing a salt...
6503663 Organic electrolyte and lithium secondary battery  
An organic electrolyte containing an organic solvent mixture and a lithium salt, wherein the organic solvent mixture includes 20 to 60% by volume of ethylene carbonate, 5 to 30% by volume of...
6444369 Gelled polymer electrolyte lithium secondary cell  
The battery of this invention includes a positive electrode including a gelled polymeric electrolyte (A) and using spinel type lithium manganese oxide as an active material; a negative electrode; a...
6395429 Solid polymer electrolyte employing a crosslinking agent  
A solid polymer electrolyte includes a crosslinking agent, a poly(alkylene glycol) alkyl ether alkyl (meth)acrylate, a lithium salt and a curing initiator. The crosslinking agent includes a...
6306540 Battery electrolytic solution with fluoride-ion-dissociating salt and battery using the same  
The present invention relates to an electrolytic solution excellent in stability, and also relates to a battery excellent in battery performance and having an outer structure having light weight....
6221533 Nonaqueous electrolyte battery  
A nonaqueous electrolyte lithium primary or secondary battery having improved storage property is disclosed. The battery includes a positive electrode; a negative electrode in which the active...
6210839 Nitrite additives for nonaqueous electrolyte rechargeable electrochemical cells  
A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized...
6190806 Solid composite electrolytes for lithium batteries  
Solid composite electrolytes are provided for use in lithium batteries which exhibit moderate to high ionic conductivity at ambient temperatures and low activation energies. In one embodiment, a...
6168889 Battery electrolytes and batteries  
The invention encompasses battery electrolytes and batteries. In one aspect, the invention encompasses a battery electrolyte which includes the lithium salts, LiN(CF 3 SO 2 ) 2 , and LiCF 3 SO 3 ...
6139991 Electrolyte solution for lithium secondary battery and lithium secondary battery using the same  
An electrolyte solution for a lithium secondary battery comprising a non-aqueous solvent, and an electrolyte and a carbonic ester derivative both dissolved therein, said carbonic ester derivative...
6136477 Nitrate additives for nonaqueous electrolyte rechargeable cells  
A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized...
6110621 Carbons for lithium batteries prepared using sepiolite as an inorganic template  
A method of preparing an anode material using sepiolite clay having channel-like interstices in its lattice structure. Carbonaceous material is deposited in the channel-like interstices of the...
6110622 Chemically machined current collector design  
A current collector in the form of a conductive substrate subjected to a special chemical etch on both major surfaces to provide a "basket weave" structure, is described. The basket weave...
6080511 Composite polymer electrolytes for alkali metal electrochemical devices which contain a glass fiber net  
Polymer electrolyte composites for alkali metal electrochemical devices which are formed by coating an inert, lightweight, electrically insulating, woven or non-woven glass fiber net with a liquid,...
6040090 Positive electrode material for use in non-aqueous electrolyte battery, process for preparing the same, and non-aqueous electrolyte battery  
A non-aqueous electrolyte battery according to the invention includes a positive electrode using a lithium-metal compound oxide as a positive electrode material, a negative electrode and a...
6033808 Process for removing acids from lithium salt solutions  
The present invention provides a process for generating acid-free lithium salt solutions for lithium and lithium ion batteries and for preparing high purity lithium salts. The invention comprises...
5989748 Cyanoethylated compounds as additives in lithium/lithium batteries  
The power loss of lithium/lithium ion battery cells is significantly reduced, especially at low temperatures, when about 1% by weight of an additive is incorporated in the electrolyte layer of the...
5965299 Composite electrolyte containing surface modified fumed silica  
A composite electrolyte comprises (a) surface modified fumed silica filler, wherein the surface modified fumed silica comprises polymerizable groups on the surface thereof, the polymerizable groups...
Matches 1 - 50 out of 134 1 2 3 >