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Lithium patents



      
           
This page is updated frequently with new Lithium-related patent applications. Subscribe to the Lithium RSS feed to automatically get the update: related Lithium RSS feeds. RSS updates for this page: Lithium RSS RSS


Electrolytes for rechargeable lithium battery and rechargeable lithium battery comprising same

Lithium secondary battery

Silicon-based electrode for a lithium-ion cell

Date/App# patent app List of recent Lithium-related patents
07/17/14
20140199602
 Lithium battery patent thumbnailnew patent Lithium battery
A lithium battery including: a positive electrode including an overlithiated lithium transition metal oxide having a layered structure; a negative electrode including a silicon-based negative active material; and an electrolyte between the positive electrode and the negative electrode, the electrolyte including an electrolytic solution including a fluorinated ether solvent in an amount of 3 vol % or more based on the total volume of the electrolytic solution.. .
07/17/14
20140199599
 Electrolytes for rechargeable lithium battery and rechargeable lithium battery comprising same patent thumbnailnew patent Electrolytes for rechargeable lithium battery and rechargeable lithium battery comprising same
Disclosed is an electrolyte for a rechargeable lithium battery including an organic solvent; a lithium salt; a flame retardant; and at least one acrylate compound having a fluorinated alkyl group. The electrolyte for a rechargeable battery may provide a rechargeable lithium battery having flame-retardant characteristics without decrease of cycle-life and battery performance..
07/17/14
20140199595
 Method of synthesis of a compound lim1-x-y-znyqzfexpo4 and use thereof as electrode material for a lithium battery patent thumbnailnew patent Method of synthesis of a compound lim1-x-y-znyqzfexpo4 and use thereof as electrode material for a lithium battery
The invention relates to a method of manufacture of a compound of formula lim1-x-y-znyqzfexpo4, the compound thus obtained, and to a method of manufacture of a composite material comprising lim1-x-y-znyqzfexpo4 and carbon, the composite material thus obtained, as well as an electrode comprising this composite material, and a lithium battery comprising such an electrode, in which: m is a transition element selected from co, ni, mn and fe; n is a doping element different from m and q; q is a transition element selected from co, ni, mn and fe but different from m; 0≦x≦1; 0≦y≦0.15; 0≦z≦1; and 0<x+y+z≦1.. .
07/17/14
20140199594
 Anode active material for secondary battery and method of manufacturing the same patent thumbnailnew patent Anode active material for secondary battery and method of manufacturing the same
An anode active material for a lithium secondary battery having high-capacity and high-efficient charge/discharge characteristics. The anode active material includes silicon single phases; and silicon-metal alloy phases surrounding the silicon single phases.
07/17/14
20140199590
 Lithium secondary battery patent thumbnailnew patent Lithium secondary battery
A lithium secondary battery exhibiting low temperature output characteristics is provided. The lithium secondary battery of the present invention includes a current collector 12, and an active material layer 14 which is supported on the current collector 12 and contains active material particles 30 and electrically conductive material 16.
07/17/14
20140199588
 Electrolytic copper foil, method of producing electrolytic copper foil, lithium ion secondary cell using electrolytic copper foil as collector patent thumbnailnew patent Electrolytic copper foil, method of producing electrolytic copper foil, lithium ion secondary cell using electrolytic copper foil as collector
The present invention provides an electrodeposited copper foil having a tensile strength of at least 300 mpa and elongation rate of at least 3.0% after heat treatment at 350° c. For 1 hour and provides a copper foil which prevents the breakage of a current collector (copper foil) while maintaining adhesiveness between the current collector (copper foil) and the active material in response to substantial expansion and contraction of a si or sn alloy-based active material.
07/17/14
20140199587
 Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same patent thumbnailnew patent Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same
In an aspect, a positive electrode for a lithium rechargeable battery including a current collector; a positive active material layer disposed on the current collector, wherein the positive active material layer includes a positive active material, active carbon, and an additive.. .
07/17/14
20140199577
 Alkali metal intercalation material as an electrode in an electrolytic cell patent thumbnailnew patent Alkali metal intercalation material as an electrode in an electrolytic cell
The present invention provides an electrochemical cell that includes an anolyte compartment housing an anode electrode; a catholyte compartment housing a cathode electrode; and a solid alkali ion conductive electrolyte membrane separating the anolyte compartment from the cathode compartment. In some cases, the electrolyte membrane is selected from a sodium ion conductive electrolyte membrane and a lithium ion conductive membrane.
07/17/14
20140199475
 Positive electrode active material for lithium secondary battery and production method of same patent thumbnailnew patent Positive electrode active material for lithium secondary battery and production method of same
A positive electrode active material for a lithium secondary battery having a core portion and a shell layer is employed in which the core portion is represented by lix1m1y1pz1o4 (where, m1 represents an element such as mg, ca, fe or mn, and the letters x1, y1 and z1 representing composition ratios are respectively such that 0<x1<2, 0<y1<1.5 and 0.9<z1<1.1), the shell layer is composed of one or more layers represented by lix2m2y2pz2o4 (where, m2 represents one type or two or more types of elements selected from the group consisting of mg, fe, ni, co and al, and the letters x2, y2 and z2 representing composition ratios are respectively such that 0<x2<2, 0<y2<1.5 and 0.9<z2<1.1).. .
07/17/14
20140197805
 Diffusion-limited adaptive battery charging patent thumbnailnew patent Diffusion-limited adaptive battery charging
Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode governed by diffusion, an electrolyte separator and a non-transport-limiting electrode. During operation, the system determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator based on a diffusion time for lithium in the transport-limiting electrode.
07/17/14
20140197802
new patent Electronic device
Degradation of a battery is prevented or the degree of the degradation is reduced, and charge and discharge performance of the battery is maximized and maintained for a long time. A reaction product, which is formed on an electrode surface and causes various malfunctions and degradation of a battery such as a lithium-ion secondary battery, is dissolved by application of electrical stimulus, specifically, by applying a signal to supply a current reverse to a current with which the reaction product is formed (reverse pulse current)..
07/17/14
20140197801
new patent Silicon-based electrode for a lithium-ion cell
A silicon-based electrode includes a silicon layer on a substrate, an electrically conductive layer overlying a top surface of the silicon layer, an optional polymer layer overlying the top surface of the electrically conducting layer, and a plurality of channels extending through the electrically conductive layer and the silicon layer to the substrate. The channels define sidewalls in the silicon layer.
07/17/14
20140197800
new patent Lithium solid state secondary battery system
The main object of the present invention is to provide a lithium solid state secondary battery system capable of restoring the decrease of output characteristics of a lithium solid state secondary battery without deteriorating an anode. The present invention attains the above-mentioned object by providing a lithium solid state secondary battery system including a lithium solid state secondary battery and an overdischarge treating unit, wherein an anode active material layer of the above-mentioned lithium solid state secondary battery contains an anode active material and a sulfide solid electrolyte material containing li, a (a is at least one kind of p, s, ge, al and b) and s and having an ortho-composition, and the above-mentioned anode current collector includes a metal..
07/17/14
20140197797
new patent Electrochemical device
To prevent deterioration of a battery or reduce the degree of deterioration of a battery and to maximize charge and discharge performance of the battery and maintain charge and discharge performance of the battery for a long time. A reaction product formed on an electrode surface causes various malfunctions and deterioration of a battery typified by a lithium-ion secondary battery.
07/17/14
20140197357
new patent Polycrystalline metal oxide, methods of manufacture thereof, and articles comprising the same
A particle, including: a plurality of crystallites including a first composition having a layered α-nafeo2-type structure and including lithium in an amount of about 0.1 to about 1.3 moles, per mole of the first composition, nickel in an amount of about 0.1 to about 0.79 mole, per mole of the first composition, cobalt in an amount of 0 to about 0.5 mole, per mole of the first composition, and oxygen in an amount of about 1.7 to about 2.3 moles, per mole of the first composition; and a grain boundary between adjacent crystallites of the plurality of crystallites and including a second composition having the layered α-nafeo2-type structure, a cubic structure, or a combination thereof, wherein a concentration of cobalt in the grain boundary is greater than a concentration of cobalt in the crystallites.. .
07/17/14
20140197351
new patent Lithium-ion-conducting materials
Lithium-ion-conducting ceramic materials are disclosed having characteristics of high lithium-ion conductivity at low temperatures, good current efficiency, and stability in water and corrosive media under static and electrochemical conditions. Some general formulas for the lithium-ion-conducting materials include mi1+x+z-δmiiixmivaymivb2-x-ymvzp3-zo12 and mi1+x+4z-δmiiixmivaymivb2-x-y-zp3o12, wherein mi comprises li, na, or mixtures thereof; 0.05<x<0.5, 0.05<y<2, 0≦z<3, and 0≦δ<0.5; miii comprises al, hf, sc, y, la, or mixtures thereof; miva comprises zr, ge, sn, or mixtures thereof; mivb comprises ti; and mv comprises si, ge, sn, or mixtures thereof.
07/10/14
20140194626
Method for producing amido-zinc halide/alkali- metal halide compounds
The invention relates to a method for producing amido-zinc halides as adducts with alkali-metal halides (r1r2n—zny*liy) in aprotic organic solvents, in which a) a primary or secondary amine dissolved in an aprotic organic solvent is provided, b) a lithium base (rxli) is added in a metered manner, and c) a zny2 is subsequently added.. .
07/10/14
20140193715
Lithium secondary battery
A lithium secondary battery including an anode active material including mesoporous tio2 doped with a heteroatom.. .
07/10/14
20140193714
Cathode active material, cathode and lithium battery including cathode active material, and method of preparing the cathode active material
Me includes at least one metal selected from nickel (ni), cobalt (co), manganese (mn), iron (fe), chromium (cr), titanium (ti), copper (cu), aluminum (al), magnesium (mg), zirconium (zr), and boron (b).. .
07/10/14
20140193708
Positive active material composition for rechargeable lithium battery, positive electrode prepared from composition, and rechargeable lithium battery including positive electrode
In an aspect, a positive active material composition for a rechargeable lithium battery including a positive active material coated with a vanadium pentaoxide (v2o5) and an aqueous binder, a positive electrode including the same, and a rechargeable lithium battery including the positive electrode is disclosed.. .
07/10/14
20140193707
Sulfur-containing additives for electrochemical or optoelectronic devices
The invention relates to sulfur-containing compounds of the formula i, to their preparation, and to their use as additives in electrochemical or electrooptical devices, more particularly in electrolytes for lithium batteries, lithium ion batteries, double layer capacitors, lithium ion capacitors, solar cells, electrochromic displays, sensors and/or biosensors.. .
07/10/14
20140193695
Lithium-ion conducting oxide, solid electrolyte secondary battery and battery pack
According to one embodiment, a solid electrolyte secondary battery includes a positive electrode, a negative electrode and a solid electrolyte layer. The solid electrolyte layer includes a lithium-ion conducting oxide containing at least one element selected from the group consisting of b, n, f and s, wherein a total content of the element in the lithium-ion conducting oxide is 0.05% by mass or more and 1% by mass or less..
07/10/14
20140193693
Lithium-ion conductive sulfide, solid electrolyte secondary battery and battery pack
According to one embodiment, a solid electrolyte secondary battery includes a positive electrode containing an active material, a negative electrode containing an active material, and a solid electrolyte layer. The solid electrolyte layer includes a lithium-ion conductive sulfide containing at least one element selected from a group consisting of al, si, fe, ni, and zr, the total content of the element in the lithium-ion conductive sulfide is 0.03% by mass or more and 0.3% by mass or less..
07/10/14
20140193689
Electrochemical cell, method of producing electrochemical cell, battery pack, and car
According to one embodiment, an electrochemical cell includes a positive electrode, a negative electrode, a sulfide-based solid electrolyte layer and an oxide-based solid electrolyte layer. The positive electrode includes positive electrode active material particles which absorb and release lithium ions at a potential of 3 v (vs.
07/10/14
20140193682
Lithium ion secondary battery and method for manufacturing lithium ion secondary battery
A ratio la/lb between lengths la and lb is defined as a first ratio, and a ratio sa/sb between areas sa and sb is defined as a second ratio. The first and second ratios are positioned within a region surrounded by lines connecting five points p1 to p5 in a coordinate system in which the first and second ratios are taken as the respective coordinate axes thereof.
07/10/14
20140193677
Conditioning of cabin air of an aircraft
The invention relates to a devise for conditioning of cabin air from a cabin space of an aircraft that has at least one lithium air battery (106), having a first feed line (101) by means of which ambient air can be delivered to the battery (106) from the environment outside the aircraft, a second feed line (102) by means of which the cabin air from the cabin space can be delivered to the battery (106), a first discharge line (103) by means of which the air from the battery (106) can be delivered into the environment outside the aircraft, a second discharge line (104) by means of which air from the battery (106) can be delivered into the cabin space, a switchable means (105) that is connected to the first (101) and the second (102) feed lines and to the first (103) and second (104) discharge lines and that can adopt a first and second switching state, and a control device (108) by means of which the switchable means (105) can be controlled depending upon a current charging state of the lithium air battery (106).. .
07/10/14
20140193660
Electrolytic copper foil and method for producing the same
An electrolytic copper foil is provided. The electrolytic copper foil has a shiny side and a matte side opposing to the shiny side, wherein the difference in roughness between the shiny side and the matte side is 0.5 μm or less.
07/10/14
20140193528
Three-component formulations, methods and procedures, and combinations thereof, for reducing or preventing the development, or the risk of development, of neuropathology resulting from trauma
Novel three-component formulations, procedures and methods for use in treating neuropathology incident to trauma are provided. Three-component formulations of the invention comprise biologically active forms of at least one neurosteroid, at least one anti-epileptic or anticonvulsant, and at least one lithium-containing or lithium-related compound.
07/10/14
20140193523
Pharmaceutical formulations for the treatment and prevention of trauma-induced neuropathology and neurodegeneration
Novel multi-component formulations, procedures and methods for use in treating neuropathology and neurodegeneration incident to trauma are provided. Multi-component formulations of the invention comprise biologically active forms of any two, any three, or all four of at least one neurosteroid or neuroactive steroid, such as progesterone or synthetic progestin, at least one anti-epileptic or anticonvulsant, such as gabapentin, pregabalin or valproic acid, at least one nk-1 receptor antagonist, such as aprepitant, casopitant or vestipitant, at least one lithium-containing or lithium-related drug.
07/10/14
20140192473
Variable stiffness chassis for ultrathin devices
An information handling system (ihs) chassis includes a chassis base. A center portion of the chassis base comprises at least ninety-five weight percent of a first metal element that is one of aluminum or magnesium.
07/10/14
20140191763
Detection device for lithium-ion battery
The present disclosure provides a detection device for lithium-ion battery, which comprises an insulative housing having a receiving chamber; an insulative separator positioned between the positive electrode sheet and the negative electrode sheet when the positive electrode sheet and the negative electrode sheet are received in the receiving chamber; a positive electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a positive electrode current collector at a positive electrode current collector non-film-coating region; a negative electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a negative electrode current collector at a negative electrode current collector non-film-coating region; an insulative cover engaged with the insulative housing and the insulative separator; a positive electrode region detection hole communicated to the positive electrode sheet gas region; and a negative electrode region detection hole communicated to the negative electrode sheet gas region.. .
07/10/14
20140191731
Method for charging lithium ion secondary battery
Cccv charging is applied to a lithium ion secondary battery. During cc charging, a transition point ta appears in temperature rise gradient when battery temperature rises along with the charging, and with the transition point ta being a border, a temperature rise gradient in an initial t1 period is steeper than a temperature rise gradient in a t2 period following the t1 period.


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Lithium topics: Lithium Ion, Phosphoric Acid, Lithium Carbonate, Storage Device, Electrolyte, High Energy, Homogeneous, Sodium Ion Battery, Alkali Metal, Aqueous Solution, Graphene Oxide, Lithium Metal, Activated Carbon, Electrochromic, Electrochromic Device

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