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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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