...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8110308 | Lithium secondary battery of improved low-temperature power property Provided is a lithium secondary battery which has excellent low-temperature power output characteristics by the inclusion of a given amount of a lithium metal oxide and/or a lithium metal sulfide in an anode mix for a lithium secondary battery containing a carbon-ba... | 02/07/2012 |
| 8105718 | Non-aqueous electrolyte secondary battery, negative electrode material, and making method A negative electrode material comprising an active material and 1-20 wt % of a polyimide resin binder is suitable for use in non-aqueous electrolyte secondary batteries. The active material comprises silicon oxide particles and 1-50 wt % of silicon particles. The ne... | 01/31/2012 |
| 8105717 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium... | 01/31/2012 |
| 8105719 | Anode material for lithium batteries Primary and secondary Li-ion and lithium-metal based electrochemical cell systems. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte system of respective cell, or to the cell itself whether it be a liqu... | 01/31/2012 |
| 8101300 | Cathode active material for non-aqueous electrolyte secondary battery and its production method A cathode active material for a non-aqueous electrolyte secondary battery comprises a lithium-containing composite oxide powder, which is represented by the formula LipNxMyOzFa wherein N is at least one element ... | 01/24/2012 |
| 8088515 | Electrode and lithium-ion secondary battery An electrode is provided as one that can suppress generation of hydrogen and that has sufficiently low impedance. The electrode has an aluminum current collector, an aluminum hydroxide layer provided on the aluminum current collector, and an active material layer co... | 01/03/2012 |
| 8080340 | Manganese oxide composite electrodes for lithium batteries An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula x{zLi2MnO3•(1-z)LiM′O2}.(1-x)LiMn2−yMyO4 for 0 | 12/20/2011 |
| 8067118 | Nonaqueous electrolyte secondary battery and method of manufacturing the same A mixed positive electrode active material is used. The mixed positive electrode active material is obtained by mixing a layered oxide whose initial charge-discharge efficiency when lithium metal is used for a counter electrode is less than 100% (hereinafter referre... | 11/29/2011 |
| 8062793 | Lithium primary battery and manufacturing method therefor A lithium primary battery including a positive electrode, a negative electrode, an organic electrolyte, and a separator interposed between the positive electrode and the negative electrode: the negative electrode including a negative electrode active material; the n... | 11/22/2011 |
| 8057935 | Lithium ion rechargeable battery A high power lithium-ion secondary battery having an increased capacity and capable of maintaining high discharge voltage and repeating charging/discharging high current. A lithium-ion secondary battery having an electrode group formed by laminating or winding a neg... | 11/15/2011 |
| 8048569 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery comprising a negative electrode having a current collector provided with convex portions and concave portions on both surfaces, a first columnar body formed in a tilting orientation on the convex portion on one of the surf... | 11/01/2011 |
| 8048568 | Negative active material for rechargeable lithium battery and rechargeable lithium battery Disclosed is a negative active material for a rechargeable lithium battery including ultra-fine particles comprising an element which is capable of alloying with lithium. The particles have a diameter of 1 nm to 200 nm, a Raman shift of 480 cm−1 to 520 ... | 11/01/2011 |
| 8048571 | Active metal / aqueous electrochemical cells and systems Alkali (or other active) metal battery and other electrochemical cells incorporating active metal anodes together with aqueous cathode/electrolyte systems. The battery cells have a highly ionically conductive protective membrane adjacent to the alkali metal anode th... | 11/01/2011 |
| 8048570 | Compliant seal structures for protected active metal anodes Protected anode architectures have ionically conductive protective membrane architectures that, in conjunction with compliant seal structures and anode backplanes, effectively enclose an active metal anode inside the interior of an anode compartment. This enclosure ... | 11/01/2011 |
| 8039151 | Negative electrode active material, nonaqueous electrolyte battery, battery pack and vehicle A negative electrode active material includes lithium-titanium composite oxide porous particles having an average pore size of 50 to 500 Å. ... | 10/18/2011 |
| 8034486 | Positive active material for rechargeable lithium battery and method of preparing same Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes a core and a surface-treatment layer on the core. The core includes at least one lithiated compound and the surface-treatment layer includes at least on... | 10/11/2011 |
| 8012626 | Electrode active material powder with size dependent composition and method to prepare the same The present invention relates to a powderous electrode active material of lithium transition metal oxide LiaMbO2, wherein 0.9 | 09/06/2011 |
| 7985504 | Lithium secondary battery of improved low-temperature power property Provided is a lithium secondary battery which has excellent low-temperature power output characteristics by the inclusion of a given amount of a lithium metal oxide and/or a lithium metal sulfide in an anode mix for a lithium secondary battery containing a carbon-ba... | 07/26/2011 |
| 7976985 | Electrode active material for secondary battery Disclosed is an electrode active material comprising: a core layer capable of repeating lithium intercalation/deintercalation; an amorphous carbon layer; and a crystalline carbon layer, successively, wherein the core layer comprises at least two core particles. A se... | 07/12/2011 |
| 7972730 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li+). The negative electrode has a porous structure. A po... | 07/05/2011 |
| 7968233 | Lithium inks and electrodes and batteries made therefrom Lithium metal powder based inks are provided. The inks are provided in formulations suitable for printing using a variety of printing techniques, including screen printing, offset litho printing, gravure printing, flexographic printing, pad printing and inkjet print... | 06/28/2011 |
| 7947396 | Negative electrode for non-aqueous electrolyte secondary battery, method of manufacturing the same, and non-aqueous electrolyte secondary battery using the same A negative electrode for a non-aqueous electrolyte secondary battery, which reversibly inserts/extracts lithium ions includes a current collector (11) in which a concave portion (12) and a convex portion (13) are formed at least one surface ther... | 05/24/2011 |
| 7939203 | Battery containing Ni-based lithium transition metal oxide The present invention provides for lithium ion secondary batteries that use Ni-based lithium transition metal oxide cathode active materials. The cathode active materials are substantially free of Li2CO3 impurity and soluble bases. ... | 05/10/2011 |
| 7939202 | Method for producing lithium-containing transition metal oxide A method for producing a lithium-containing transition metal oxide represented by the general formula: Li[Lix(NiaM1−a)1−x]O2 where M is metal other than Li and Ni, 0≦x, and 0 | 05/10/2011 |
| 7939201 | Nanoscale ion storage materials including co-existing phases or solid solutions Nanoscale ion storage materials are provided that exhibit unique properties measurably distinct from their larger scale counterparts. For example, the nanoscale materials can exhibit increased electronic conductivity, improved electromechanical stability, increased ... | 05/10/2011 |
| 7935444 | Cathode active material for lithium secondary battery Disclosed herein is a cathode active material for a lithium secondary battery, in particular, including a lithium transition metal oxide with a layered crystalline structure in which the transition metal includes a transition metal mixture of Ni, Mn and Co, and an a... | 05/03/2011 |
| 7927745 | Negative electrode for rechargeable lithium battery and rechargeable lithium battery including the same A negative electrode for a rechargeable lithium battery includes a current collector and a negative active mass disposed on the current collector. The negative active mass includes a negative active material including a lithium vanadium composite oxide and a crystal... | 04/19/2011 |
| 7923153 | Linear ether electrolyte with asymmetric end groups for use in lithium batteries A primary electrochemical cell and electrolyte incorporating a linear asymmetric ether is disclosed. The ether may include EME, used in combination with DIOX and DME, or have the general structural formula R1—O—CH2—CH2—O—R | 04/12/2011 |
| 7923154 | Carbon-coated Li-containing powders and process for production thereof The invention provides a new route for the synthesis of carbon-coated powders having the olivine or NASICON structure, which form promising classes of active products for the manufacture of rechargeable lithium batteries. Carbon-coating of the powder particles is ne... | 04/12/2011 |
| 7914930 | Method for producing non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery having both high capacity and long-life is provided by solving the problem of the large irreversible capacity of a negative electrode active material. The non-aqueous electrolyte secondary battery is produced by a method i... | 03/29/2011 |
| 7910247 | Nonaqueous electrolyte battery A nonaqueous electrolyte battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, including a negative electrode active material and an electronic conductor cont... | 03/22/2011 |
| 7879495 | Medical device having lithium-ion battery A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector and a first active material and a negative electrode comprising a current col... | 02/01/2011 |
| 7842420 | Electrode material with enhanced ionic transport properties Materials useful as electrodes for lithium batteries have very good electronic and ionic conductivities. They are fabricated from a starting mixture which includes a metal, a phosphate ion, and an additive which enhances the transport of lithium ions in the resultan... | 11/30/2010 |
| 7838151 | Non-aqueous electrolyte secondary battery A positive electrode active material including lithium (Li), nickel (Ni), manganese (Mn) and a transition metal that can be in the hexavalent state is used. As the transition metal that can be in the hexavalent state, for example, one or both of tungsten (W) and mol... | 11/23/2010 |
| 7829224 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li+). The negative electrode has a porous structure. A po... | 11/09/2010 |
| 7829223 | Process for preparing lithium ion cathode material There is provided a process for preparing lithium cobaltate and to lithium-containing cobalt oxides which is used in lithium battery cathodes. Also, there is provided cathodes for lithium batteries. ... | 11/09/2010 |
| 7816038 | Lithium ion secondary battery and method for producing the same A method for producing a lithium ion secondary battery includes the steps of: forming a positive electrode mixture layer on a positive electrode substrate to obtain a positive electrode; forming a negative electrode mixture layer on a negative electrode substrate to... | 10/19/2010 |
| 7811707 | Lithium-ion secondary battery A lithium-ion battery includes a cathode that includes an active cathode material. The active cathode material includes a cathode mixture that includes a lithium cobaltate and a manganate spinel a manganate spinel represented by an empirical formula of Li(1+x1)... | 10/12/2010 |
| 7811708 | Lithium-ion secondary battery A lithium-ion battery includes a cathode that includes an active cathode material. The active cathode material includes a cathode mixture that includes a lithium cobaltate and a manganate spinel a manganate spinel represented by an empirical formula of Li(1+x1)... | 10/12/2010 |
| 7803485 | Positive electrode for lithium secondary battery, and lithium secondary battery using the same A positive electrode for use in a lithium secondary battery comprises a positive electrode current collector, and a positive electrode film which is carried on the positive electrode current collector and includes a plurality of mixture layers. The positive electrod... | 09/28/2010 |