Abstract:
A solid polymer electrolyte according to the present invention can have a pattern and various shapes. The solid polymer electrolyte can be made to control the properties of electrolyte paste by controlling the composition ratio of liquid electrolyte, a photo-crosslinking agent and inorganic particles, dispersion and thickness thereof. The solid polymer electrolyte having a pattern can be manufactured from the electrolyte paste through a printing process which can simplify a method for manufacturing a lithium battery. The solid polymer electrolyte can improve, despite the shape thereof, the performance of a lithium battery such as improved interfacial stability between an electrode and the electrolyte, and the inhibited internal short circuit of the lithium battery.
Abstract:
본 발명은 리튬 이차전지용 일차원 구조 티타늄옥사이드 나노튜브클러스터-흑연 음극 활물질의 제조방법 및 이로부터 얻은 음극 활물질에 관한 것으로, 상기 제조방법은 마이크로 크기의 구형 티타늄옥사이드 분말과 마이크로 크기의 흑연 분말을 강알칼리 수용액중에서 수열합성하는 단계; 수열합성된 티타늄옥사이드 나노튜브클러스터-흑연 복합체의 pH값을 조정하는 단계; 및 티타늄옥사이드 나노튜브클러스터-흑연 복합체를 열처리하는 단계를 포함하며, 이와 같은 방법으로 얻은 일차원 구조 티타늄옥사이드 나노튜브클러스터-흑연 음극 활물질은 고속 충방전에서의 안정된 사이클 특성을 제공할 수 있다.
Abstract:
PURPOSE: A relay antenna is provided to enable a user to effectively maintain a repeater with low costs by implementing an antenna by using a meta-material absorber. CONSTITUTION: An antenna comprises a donor antenna, a server antenna, and a plurality of meta-material absorbers (210). The donor antenna radiates electric waves of a predetermined frequency band. The server antenna is vertically located with the donor antenna. The plurality of the meta-material absorbers is arranged outside the server antenna and the donor antenna.
Abstract:
PURPOSE: A method for manufacturing a positive electrode active material is provided to prepare a one-dimensional positive electrode active material with chestnut type morphology satisfying both high energy density and high power property. CONSTITUTION: A method for manufacturing a one-dimensional nanocluster positive electrode active material comprises the steps of: forming a nanocluster manganese dioxide precursor having a chestnut type morphology; synthesizing the one-dimensional nanocluster positive electrode active material having the chestnut type morphology by inserting lithium to the formed precursor; applying water-soluble polymers to the surface of the positive electrode active material particles; adsorbing metal ions to the surface of positive electrode active material particles on which the water-soluble polymers are applied; and sintering the positive electrode active material particles.
Abstract:
PURPOSE: A self-chargeable power supply module for 3V operating sensor node is provided to enable semi-permanent use, to avoid replacement, and to enable remote and self charging. CONSTITUTION: A self-chargeable power supply module for 3V operating sensor node comprises: a multiple energy collection element(120) converting the energy obtained from each energy conversion source into electrical energy; energy management chips(130a) which controls the electrical energy by cutting off the minimum and maximum power of the electrical energy; a lithium secondary battery(140) storing energy or electricity controlled by the energy management chips; an output management chip(130b) distributing the stored electricity; and a plurality of output load devices(150) consuming the distributed electricity.
Abstract:
PURPOSE: A method for preparing one-dimensional titanium oxide nanotubecluster anode active material for lithium rechargeable batteries is provided to improve the capacity through the increase of a lithium insertion coefficient to titanium oxide nanotubecluster by improving reaction area with electrolyte. CONSTITUTION: A method for preparing one-dimensional titanium oxide nanotubecluster anode active material for lithium rechargeable batteries comprises the steps of: performing hydrothermal synthesis of spherical titaniumoxide micro powder in strong alkali solution; controlling the pH value of the hydrothermally synthesized titanium oxide nanotubecluster; and heat-treating the titanium oxide nanotubecluster in which the pH value is controlled.
Abstract:
PURPOSE: A film type lithium primary battery and a manufacturing method thereof are provided to easily bend the battery without influencing the safety and stability of the battery, and to remove the install limitation when mounting the battery inside a tag. CONSTITUTION: A film type lithium primary battery(100) comprises the following: a first current collector(10) including a folding structure with a first electrode tab(12), and a first electrode plate(14) in which a first part(14A) and a second part(14B) of the first electrode plate are facing each other; a second current collector(20) including a second electrode tab(22), and a second electrode plate(24) in which the first part and the second part of the second electrode plate are facing each other; and a polymeric electrolyte layer(30) located in between the first and the second electrode plates.
Abstract:
본 발명은 구부림이 가능한 염료감응 태양전지에 관한 것이다. 본 발명에 따른 태양전지는 전도성 제1 기판, 예컨대 스테인리스 스틸과 같이 구부림이 가능한 전도성 금속판 위에 나노입자 산화물층을 형성하고 염료를 흡착시켜 제조한 반도체 전극과, 역시 구부림이 가능하고 빛의 투과가 가능한 전도성 고분자 제2 기판에 형성한 백금층을 포함하는 대향 전극을 조립한 것이다. 더 바람직하게는 전도성 제1 기판에 절연 박막과 전도성 박막을 도포한 반도체 전극을 사용하여 기존에 알려진 구부림이 가능한 태양전지보다 에너지 변환 효율을 현저히 향상시킬 수 있다.
Abstract:
PURPOSE: A composite polymer electrolyte having different morphology is provided to show reinforced mechanical property, thin thickness, good impregnation of an electrolytic solution into a porous matrix and maintenance characteristics and improved ionic conductivity. CONSTITUTION: The composite polymer electrolyte(10) for a lithium secondary battery is manufactured by the method comprising the steps of: preparing a first porous polymer membrane(12) with microscale morphology; obtaining a solution of a microporous structured polymer with submicroscale morphology and a mineral in a cosolvent; coating the solution onto the first porous polymer membrane(12) to form a second porous polymer membrane(14) with microporous structure, so that a porous composite polymer membrane comprised of the first porous polymer membrane(12) and the second porous polymer membrane(14) which have morphology different from each other is formed; and impregnating an electrolytic solution(16) into the porous composite polymer membrane.
Abstract:
PURPOSE: A positive electrode composition containing a poly(dithiodianiline) derivative, a lithium secondary battery obtained from the composition and their preparation methods are provided, to allow a positive electrode composition to be produced massively with a low cost and to improve capacity characteristic of a lithium secondary battery remarkably. CONSTITUTION: The positive electrode composition comprises an active material comprising the doped poly(dithiodianiline) derivative having the repeating unit represented by the formula; a conductive agent; and a binder, wherein X is H, Li, Na or K; Y is F, Cl, Br, I, ClO4, PF6, BF4, CF3SO3, HSO4 or C12H25C6H4SO3; k, k' and k'' are 0.01-0.5; m is 0-0.99; and n is 2-10,000. Preferably the conductive agent is an amorphous carbon; and the binder is at least one selected from the group consisting of poly(tetrafluoroethylene), a copolymer of vinylidene fluoride and hexafluoropropylene, poly(vinylidene fluoride), and a copolymer of vinylidene fluoride and tetrafluoroethylene.
Abstract translation:目的:提供含有聚(二硫代二苯胺)衍生物的正极组合物,由该组合物得到的锂二次电池及其制备方法,以允许以低成本大量生产正极组合物,并改善 锂二次电池显着。 构成:正极组合物包含活性材料,该活性材料包含具有由下式表示的重复单元的掺杂聚(二硫代二苯胺)衍生物; 导电剂; 和粘合剂,其中X是H,Li,Na或K; Y是F,Cl,Br,I,ClO 4,PF 6,BF 4,CF 3 SO 3,HSO 4或C 12 H 25 C 6 H 4 SO 3; k,k'和k“为0.01-0.5; m是0-0.99; 而n是2-10,000。 导电剂优选为无定形碳; 粘结剂是选自聚偏氟乙烯和六氟丙烯的共聚物,聚偏氟乙烯以及偏二氟乙烯和四氟乙烯的共聚物中的至少一种。