| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Lithium manganese compounds and methods of making the same | US14086289 | 2013-11-21 | US09896345B2 | 2018-02-20 | Yuan Gao; Marina Yakovleva; Kenneth Brian Fitch |
| Electrode materials such as LixMnO2 where 0.2 | ||||||
| 122 | PROCESSING OF LITHIUM CONTAINING MATERIAL INCLUDING HCL SPARGE | US15546560 | 2015-10-30 | US20180016153A1 | 2018-01-18 | Yatendra SHARMA |
| A process (10) for the treatment of a lithium containing material (12), the process comprising the steps of: (i) Preparing a process solution from the lithium containing material (12); (ii) Passing the process solution from step (i) to a series of impurity removal steps, one of which is an HCl sparging step 58, thereby providing a substantially purified lithium chloride solution; and (iii) Passing the purified lithium chloride solution of step (ii) to an electrolysis step (70) thereby producing a lithium hydroxide solution. An additional step in which the lithium hydroxide solution produced in step (iii) is carbonated by passing compressed carbon dioxide (88) through the solution, thereby producing a lithium carbonate precipitate, is also disclosed. | ||||||
| 123 | DEVICE FOR PRODUCING LITHIUM SULFIDE, AND METHOD FOR PRODUCING LITHIUM SULFIDE | US15535764 | 2015-12-16 | US20170368515A1 | 2017-12-28 | Minoru SENGA; Masahiro IWAHARA |
| An apparatus for producing lithium sulfide, including: a reaction container for allowing lithium hydroxide powder to be in contact with a hydrogen sulfide gas; a stirring blade inside the reaction container; a first heating apparatus that keeps the temperature of an inner wall of the reaction container that is in contact with the powder; and a second heating apparatus that keeps the temperature of an inner wall that is not in contact with the powder. | ||||||
| 124 | METHOD FOR THE USE OF SLURRIES IN SPRAY PYROLYSIS FOR THE PRODUCTION OF NON-HOLLOW, POROUS PARTICLES | US15658014 | 2017-07-24 | US20170324088A1 | 2017-11-09 | Dror Elhassid; William Moller; Richard Axelbaum; Miklos Lengyel; Gal Atlas |
| A process for preparing a metal oxide-containing powder that comprises conducting spray pyrolysis that comprises aerosolizing a slurry that comprises solid-phase particles in a liquid that comprises at least one precursor compound, which comprises one or more metallic elements of at least one metal oxide, to form droplets of said slurry, and calcining the droplets to at least partially decompose the at least one precursor compound and form the metal oxide-containing powder having a non-hollow morphology. | ||||||
| 125 | ACTIVE MATERIAL FOR ALL-SOLID LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID LITHIUM SECONDARY BATTERY COMPRISING SAME | US15100130 | 2014-11-27 | US20170309890A1 | 2017-10-26 | Dong Wook SHIN; Junghon Kim; Woosup Kim; Sun Ho Choi; Youngmin Lee |
| The present invention relates to an oxide active material surface-treated with a lithium compound, a method for preparing the same, and an all-solid lithium secondary battery capable of effectively suppressing an interface reaction in a solid electrolyte by adopting the same. In the all-solid lithium secondary battery comprising an electrode containing a positive electrode active material and a sulfide-based solid electrolyte, the positive electrode active material according to the present invention can significantly improve battery characteristics since a coating layer formed of a lithium compound is formed while surrounding a particle surface to act as a functional coating layer which suppresses the interface reaction of the sulfide-based solid electrolyte and the electrode. In addition, in cases where the active material is synthesized and coated with a lithium compound at the same time, a lithium salt and a transition metal salt are dissolved in a solvent through stirring, to prepare a solution, followed by drying and heat treatment, and here, the prepared active material has a form in which a mixture generated from an excessive amount of lithium salt which is synthesized and then remains on the particle surface having a structure capable of absorbing and releasing lithium is coated on the particle surface to form a coating layer. In addition, in cases where the previously synthesized active material is coated with a lithium compound, the active material and a lithium salt are dissolved in a solvent through stirring, followed by drying and heat-treatment, and here, the prepared active material has a form in which a mixture generated from an excessive amount of lithium salt which is synthesized and then remains on the particle surface having a structure capable of absorbing and releasing lithium is coated on the particle surface to for m a coating layer. | ||||||
| 126 | Surface-treatment method of cathode active material and cathode active material formed therefrom | US14050990 | 2013-10-10 | US09776879B2 | 2017-10-03 | Sung-Joong Kang; Hong-Kyu Park; Joo-Hong Jin; Dae-Jin Lee |
| The present invention provides a method for treating the particle surface of a cathode active material for a lithium secondary battery, the method comprising (a) preparing a cathode active material having a lithium compound; (b) generating a plasma from a gas comprising at least one of a fluorine-containing gas and a phosphorus-containing gas as a part of a reactive gas; and (c) removing lithium impurities present on the particle surface of the cathode active material with the plasma. In accordance with the present invention, the amount of the lithium impurities present on the particle surface of the cathode active material can be reduced to suppress a side reaction of the lithium impurities and an electrolyte. | ||||||
| 127 | Battery electrode with metal particles and pyrolyzed coating | US15424549 | 2017-02-03 | US09761866B2 | 2017-09-12 | Yuhao Lu; Long Wang; Jong-Jan Lee |
| A method is provided for forming a metal battery electrode with a pyrolyzed coating. The method provides a metallorganic compound of metal (Me) and materials such as carbon (C), sulfur (S), nitrogen (N), oxygen (O), and combinations of the above-listed materials, expressed as MeXCYNZSXXOYY, where Me is a metal such as tin (Sn), antimony (Sb), or lead (Pb), or a metal alloy. The method heats the metallorganic compound, and as a result of the heating, decomposes materials in the metallorganic compound. In one aspect, decomposing the materials in the metallorganic compound includes forming a chemical reaction between the Me particles and the materials. An electrode is formed of Me particles coated by the materials. In another aspect, the Me particles coated with a material such as a carbide, a nitride, a sulfide, or combinations of the above-listed materials. | ||||||
| 128 | Nickel composite hydroxide and method for producing the same, positive electrode active material and method for producing the same as well as nonaqueous electrolytic secondary cell | US14132955 | 2013-12-18 | US09755232B2 | 2017-09-05 | Kazuomi Ryoshi; Kensaku Mori |
| A nickel composite hydroxide represented by Ni1-x-y-zCoxMnyMz(OH)2+A (where 0≦x≦0.35, 0≦y≦0.35, 0≦z≦0.1, 0 | ||||||
| 129 | Supercritical continuous hydrothermal synthesis of lithium titanate anode materials for lithium-ion batteries | US13969359 | 2013-08-16 | US09711789B2 | 2017-07-18 | Wenting Zhu; Maoping Yang; Xulai Yang; Xiaoming Xu; Jia Xie; Zhen Li |
| A method for synthesizing lithium titanate includes preparing a supercritical fluid from water; reacting a solution containing lithium and titanium with the supercritical fluid under a condition that maintains the supercritical fluid in its supercritical state to produce a reaction mixture comprising the lithium titanate; and collecting the lithium titanate. The supercritical fluid is prepared at a temperature of 375-500° C. and a pressure of 22-35 MPa. The solution containing lithium and titanium is prepared by mixing a solution containing lithium, prepared by dissolving a lithium source in a selected solvent, and a solution containing titanium, prepared by dissolving a titanium source in the selected solvent, wherein a molar ratio of lithium:titanium is between 4.0:5.0 and 4.5:5.0. The lithium source is lithium hydroxide, lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, or lithium oxide, and the titanium source is tetrabutyl titanate. | ||||||
| 130 | Method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate | US14433096 | 2013-10-09 | US09677153B2 | 2017-06-13 | David Wohlgemuth; Mark Andre Schneider; Rebecca Spielau; Johannes Willems; Martin Steinbild |
| A method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate is disclosed. According to the method, lithium-iron-phosphate-containing fraction is introduced into sulfuric acid and/or hydrochloric acid, and hydrogen peroxide is added in an amount that is at least stoichiometric relative to the iron content to be oxidized of the lithium-iron-phosphate-containing fraction. | ||||||
| 131 | NASICON-polymer electrolyte structure | US14198755 | 2014-03-06 | US09660241B2 | 2017-05-23 | Long Wang; Yuhao Lu; Jong-Jan Lee; Sean Vail |
| A method is provided for forming a sodium-containing particle electrolyte structure. The method provides sodium-containing particles (e.g., NASICON), dispersed in a liquid phase polymer, to form a polymer film with sodium-containing particles distributed in the polymer film. The liquid phase polymer is a result of dissolving the polymer in a solvent or melting the polymer in an extrusion process. In one aspect, the method forms a plurality of polymer film layers, where each polymer film layer includes sodium-containing particles. For example, the plurality of polymer film layers may form a stack having a top layer and a bottom layer, where with percentage of sodium-containing particles in the polymer film layers increasing from the bottom layer to the top layer. In another aspect, the sodium-containing particles are coated with a dopant. A sodium-containing particle electrolyte structure and a battery made using the sodium-containing particle electrolyte structure are also presented. | ||||||
| 132 | Fabrication method for metal battery electrode with pyrolyzed coating | US14193782 | 2014-02-28 | US09627671B2 | 2017-04-18 | Yuhao Lu; Long Wang; Jong-Jan Lee |
| A method is provided for forming a metal battery electrode with a pyrolyzed coating. The method provides a metallorganic compound of metal (Me) and materials such as carbon (C), sulfur (S), nitrogen (N), oxygen (O), and combinations of the above-listed materials, expressed as MeXCYNZSXXOYY, where Me is a metal such as tin (Sn), antimony (Sb), or lead (Pb), or a metal alloy. The method heats the metallorganic compound, and as a result of the heating, decomposes materials in the metallorganic compound. In one aspect, decomposing the materials in the metallorganic compound includes forming a chemical reaction between the Me particles and the materials. An electrode is formed of Me particles coated by the materials. In another aspect, the Me particles coated with a material such as a carbide, a nitride, a sulfide, or combinations of the above-listed materials. | ||||||
| 133 | Anode active material having high density and preparation method thereof | US14012347 | 2013-08-28 | US09608260B2 | 2017-03-28 | Byung Hun Oh; Je Young Kim; Hyun Woong Yun; Ye Ri Kim |
| Provided is an anode active material including lithium metal oxide particles having an internal porosity ranging from 3% to 8% and an average particle diameter (D50) ranging from 5 μm to 12 μm. According to the present invention, since the high-density lithium metal oxide particles are included, the adhesion to an anode may be significantly improved even by using the same or smaller amount of a binder that is required during the preparation of an anode slurry, and high rate characteristics of a secondary battery may be improved by decreasing the average particle diameter of the lithium metal oxide particles. | ||||||
| 134 | Electrode structures and surfaces for Li batteries | US14154948 | 2014-01-14 | US09593024B2 | 2017-03-14 | Michael M. Thackeray; Sun-Ho Kang; Mahalingam Balasubramanian; Jason Croy |
| This invention relates to methods of preparing positive electrode materials for electrochemical cells and batteries. It relates, in particular, to a method for fabricating lithium-metal-oxide electrode materials for lithium cells and batteries. The method comprises contacting a hydrogen-lithium-manganese-oxide material with one or more metal ions, preferably in an acidic solution, to insert the one or more metal ions into the hydrogen-lithium-manganese-oxide material; heat-treating the resulting product to form a powdered metal oxide composition; and forming an electrode from the powdered metal oxide composition. | ||||||
| 135 | Cathode active material with whole particle concentration gradient for lithium secondary battery, method for preparing same, and lithium secondary battery having same | US13978041 | 2011-12-27 | US09493365B2 | 2016-11-15 | Yang-Kook Sun; Hyung Joo Noh |
| The present invention relates to a cathode active material, method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite cathode active material, a method for preparing same, and a lithium secondary battery having same, the composite cathode active material having excellent lifespan characteristics and charge/discharge characteristics due to the stabilization of crystal structure, and thermostability even in high temperatures. | ||||||
| 136 | Lithium metal oxide composite for lithium secondary battery, method for preparing the same, and lithium secondary battery including the same | US14057537 | 2013-10-18 | US09478801B2 | 2016-10-25 | Young Sun Kong; Doo Kyun Lee; Ki Tae Kim; Jae Ha Shim |
| A lithium metal oxide composite for a lithium secondary battery includes a core portion formed of a Mn metal compound and a shell portion formed of a three-component system metal compound at an outside of the core portion. A method of preparing a lithium metal oxide composite for a lithium secondary battery includes: mixing an Mn metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a first precursor; thermally treating the obtained first precursor; mixing the thermally treated first precursor with a three component system metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a second precursor; and mixing the obtained second precursor with a lithium-containing compound to synthesize a powder via a firing. | ||||||
| 137 | Sodium iron(II)-hexacyanoferrate(II) battery electrode and synthesis method | US14067038 | 2013-10-30 | US09450224B2 | 2016-09-20 | Yuhao Lu; Sean Andrew Vail |
| A method is provided for synthesizing sodium iron(II)-hexacyanoferrate(II). A Fe(CN)6 material is mixed with the first solution and either an anti-oxidant or a reducing agent. The Fe(CN)6 material may be either ferrocyanide ([Fe(CN)6]4−) or ferricyanide ([Fe(CN)6]3−). As a result, sodium iron(II)-hexacyanoferrate(II) (Na1+XFe[Fe(CN)6]Z.MH2O is formed, where X is less than or equal to 1, and where M is in a range between 0 and 7. In one aspect, the first solution including includes A ions, such as alkali metal ions, alkaline earth metal ions, or combinations thereof, resulting in the formation of Na1+XAYFe[Fe(CN)6]Z.MH2O, where Y is less than or equal to 1. Also provided are a Na1+XFe[Fe(CN)6]Z.MH2O battery and Na1+XFe[Fe(CN)6]Z.MH2O battery electrode. | ||||||
| 138 | Process for manufacturing lithium titanium oxides | US14113855 | 2012-04-26 | US09446964B2 | 2016-09-20 | Kazuyoshi Takeshima; Tsunehisa Takeuchi; Masatoshi Honma; Yusuke Okuda |
| Provided is a process for manufacturing, at a low cost and efficiently, lithium titanium oxides which are useful for electricity storage devices. A desired lithium titanium oxide can be obtained by heating at least both (1) a titanium compound and (2) a lithium compound that has a volume-mean particle diameter of 5 μm or less. The lithium compound is preferably obtained by adjusting the volume-mean particle diameter to 5 μm or less by pulverizing. It is preferable that the titanium compound and the lithium compound are heated together with (3) a lithium titanium oxide compound that has the same crystal structure as that of objective lithium titanium oxide. It is preferable that these materials are dry-blended prior to the heating. | ||||||
| 139 | Method of preparing material for lithium secondary battery of high performance | US14333597 | 2014-07-17 | US09416024B2 | 2016-08-16 | Hong-Kyu Park; Sun sik Shin; Sin young Park; Ho suk Shin; Jens M. Paulsen |
| Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency. Further, the thus-produced lithium mixed transition metal oxide is substantially free of impurities, and therefore can exert a high capacity and excellent cycle stability, in conjunction with significantly improved storage stability and high-temperature stability. | ||||||
| 140 | Solventhermal synthesis of nanosized two dimensional materials | US14526929 | 2014-10-29 | US09409792B2 | 2016-08-09 | Ruigang Zhang; Chen Ling; Hongfei Jia |
| A process of forming two dimensional nano-materials that includes the steps of: providing a bulk two dimensional material; providing lithium iodide; suspending the lithium iodide and bulk two dimensional material in a solvent forming a solution; initiating a solvent thermal reaction forming a lithiated bulk two dimensional material. The resulting lithiated bulk two dimensional material may be exfoliated after the solvent thermal reaction forming a two dimensional layered material. | ||||||
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