Abstract: The present invention relates to a carbon nanotube-transition metal oxide composite and a method for making the composite. The composite comprises at least one carbon nanotube and a plurality of transition metal oxide nanoparticles. The plurality of transition metal oxide nanoparticles are chemically bonded to the at least one carbon nanotube through carbon-oxygen-metal (C—O-M) linkages, wherein the metal is a transition metal element. The method for making the composite comprising the following steps: step 1, providing at least one carbon nanotube obtained from a super-aligned carbon nanotube array; step 2, pre-oxidizing the at least one carbon nanotube; step 3, dispersing the at least one carbon nanotube in a solvent to form a first suspension; step 4, dispersing a material containing transition metal oxyacid radicals in the first suspension to form a second suspension; and step 5, removing the solvent from the second suspension and drying the second suspension.

Abstract: A solid electrolyte three-electrode electrochemical test device comprises a housing, a working electrode, a counter electrode, a reference electrode, a first conductive structure, a second conductive structure, a third conductive structure, and a solid electrolyte layer. The housing comprises a groove and a first through hole located at a bottom of the groove. The reference electrode is insulated from the counter electrode. The first conductive structure and the working electrode are stacked with each other, and the working electrode and at least a part of the first conductive structure are located in the first through hole. The solid electrolyte layer, the counter electrode, the reference electrode, the second conductive structure and the third conductive structure are located in the groove, and the first conductive structure, the working electrode, the solid electrolyte layer, the counter electrode, and the second conductive structure are sequentially stacked and located coaxially with each other.

Abstract: A method of preparing a lithium-ion battery electrode, S1, preparing a carbon nanotube raw material; S2, providing an electrode active material and a solvent; S3, mixing the carbon nanotube raw material and the electrode active material with the solvent to form a mixture, and stirring the mixture to form an electrode mixture; and S4, spraying the electrode mixture on a substrate to form an electrode layer, and removing the substrate and drying the electrode layer to form the lithium-ion battery electrode.

Abstract: The invention provides methods and compositions for producing a multi-layered cellular structure or blastocyst-like structure from a cell population of reprogrammed somatic cells.

Abstract: The invention provides methods and compositions for producing a multi-layered cellular structure or blastocyst-like structure from a cell population of reprogrammed somatic cells.

Abstract: A lithium-ion battery anode is provided. The lithium-ion battery anode comprises a carbon nanotube three-dimensional network structure formed by a plurality of carbon nanotubes intertwined with each other. A plurality of nano-silicon particles coated with amorphous carbon, dispersed in the carbon nanotube three-dimensional network structure, and adhered to surfaces of the plurality of carbon nanotubes. The amorphous carbon is obtained by calcining a positively charged carbonizable polymer. And a carbon nanotube functional layer located on two opposite surfaces of the carbon nanotube three-dimensional network structure, to make the carbon nanotube three-dimensional network structure located between two carbon nanotube functional layers. The carbon nanotube functional layer comprises at least two super-aligned carbon nanotube films stacked and crossed with each other.

Abstract: A method of making lithium-ion battery anode comprising step (S1)-step (S3). step (S1): providing a nano-silicon material, and coating a positively charged carbonizable polymer on a surface of the nano-silicon material, to obtain a nano-silicon coated with the positively charged carbonizable polymer. Step (S2): adding CNTs and the nano-silicon coated with the positively charged carbonizable polymer to a solvent; and performing an ultrasonic dispersion to obtain a dispersion. And step (S3): vacuum filtering the dispersion, to obtain a composite film of the CNTs and the nano-silicon coated with positively charged carbonizable polymer.

Abstract: A lithium ion battery electrolyte comprising a glyceryl ether epoxy resin gel is provided. The glyceryl ether epoxy resin gel comprises a glyceryl ether epoxy resin and an electrolyte. The glyceryl ether epoxy resin is a cross-linked polymer obtained by a ring-opening reaction of a glyceryl ether polymer and a polyamine compound. The glyceryl ether polymer is a glycidyl ether polymer comprising at least two epoxy groups, and the polyamine compound comprises at least two amine groups. The cross-linked polymer comprises a main chain and a plurality of hydroxyl groups, and the plurality of hydroxyl groups are located on the main chain. The electrolyte comprises a lithium salt and a non-aqueous solvent. The lithium salt and the glyceryl ether epoxy resin are dispersed in the non-aqueous solvent. A method of making the lithium ion battery electrolyte is also provided.

Abstract: The present invention relates to a battery electrode. The battery electrode comprises a plurality of carbon nanotubes and a plurality of transition metal oxide nanoparticles. The plurality of transition metal oxide nanoparticles are chemically bonded to the plurality of carbon nanotubes through carbon-oxygen-metal (C-O-M) linkages, wherein the metal being a transition metal element. The present invention also relates a method for making the battery electrode and a hybrid energy storage device using the battery electrode.

Abstract: A test device for testing an oxidation potential of an electrolyte is provided. The test device comprises a cavity, a test unit, a detector, a processing unit, and a display. The test unit comprises a positive plate comprising a first through hole, a negative plate comprising a second through hole, a first infrared window covering the first through hole, a second infrared window covering the second through hole, and an electrolyte located between the positive electrode plate and the negative electrode plate. The first through hole and the second through hole penetrate each other. The first infrared window, the positive plate, the negative plate, and the second infrared window are stacked with each other. An infrared light beam passes through the first infrared window, the first through hole, the electrolyte, the second through hole, and the second infrared window in sequence and then is detected by the detector.

Abstract: The present disclosure relates to a lithium-sulfur battery cathode. The lithium-sulfur battery cathode comprises a carbon nanotube sponge and a plurality of sulfur nanoparticles. Wherein the carbon nanotube sponge comprises a plurality of micropores. The plurality of sulfur nanoparticles are uniformly distributed in the plurality of micropores. The present disclosure also relates a method for making the lithium-sulfur battery cathode and a lithium-sulfur battery using the lithium-sulfur battery cathode.

Abstract: A method of preparing a lithium-ion battery electrode, S1, preparing a carbon nanotube raw material; S2, providing an electrode active material and a solvent; S3, mixing the carbon nanotube raw material and the electrode active material with the solvent to form a mixture, and stirring the mixture to form an electrode mixture; and S4, spraying the electrode mixture on a substrate to form an electrode layer, and removing the substrate and drying the electrode layer to form the lithium-ion battery electrode.

Abstract: An anode active material for lithium-ion battery is provided. The anode active material includes a composite material comprising a binary or multi-element metal alloy and a conductive material. The binary or multi-element metal alloy is granular, a particle size of a binary or multi-element metal alloy particle is in micron-sized, and the binary or multi-element metal alloy has lattice reversibility. The conductive material is coated on a surface of a binary or multi-element metal alloy particle. The binary or multi-element metal alloy particle is completely wrapped by the conductive material. A method of making the anode active material is also provided. A lithium-ion battery using the anode active material is also provided.

Abstract: A solid electrolyte three-electrode electrochemical test device comprises a housing, a working electrode, a counter electrode, a reference electrode, a first conductive structure, a second conductive structure, a third conductive structure, and a solid electrolyte layer. The housing comprises a groove and a first through hole located at a bottom of the groove. The reference electrode is insulated from the counter electrode. The first conductive structure and the working electrode are stacked with each other, and the working electrode and at least a part of the first conductive structure are located in the first through hole. The solid electrolyte layer, the counter electrode, the reference electrode, the second conductive structure and the third conductive structure are located in the groove, and the first conductive structure, the working electrode, the solid electrolyte layer, the counter electrode, and the second conductive structure are sequentially stacked and located coaxially with each other.

Abstract: The invention provides methods and compositions for producing a multi-layered cellular structure or blastocyst-like structure from a cell population of reprogrammed somatic cells.

Abstract: A method of making a lithium metal anode, comprises: S1, preparing a carbon nanotube material; S2, adding the carbon nanotube material to an organic solvent, and ultrasonically agitating the organic solvent with the carbon nanotube material to form a flocculent structure; S3, rinsing the flocculent structure with water; S4, freeze-drying the flocculent structure in vacuum environment to obtain a carbon nanotube sponge preform; S5, depositing a carbon layer on the carbon nanotube sponge preform to form a carbon nanotube sponge: and S6, injecting molten lithium into the carbon nanotube sponge in an oxygen-free environment, and cooling the molten lithium and the carbon nanotube sponge to form a lithium metal anode.

Abstract: A test device for testing an oxidation potential of an electrolyte is provided. The test device comprises a cavity, a test unit, a detector, a processing unit, and a display. The test unit comprises a positive plate comprising a first through hole, a negative plate comprising a second through hole, a first infrared window covering the first through hole, a second infrared window covering the second through hole, and an electrolyte located between the positive electrode plate and the negative electrode plate. The first through hole and the second through hole penetrate each other. The first infrared window, the positive plate, the negative plate, and the second infrared window are stacked with each other.

Abstract: A glyceryl ether epoxy resin and a method of making it are provided. The glyceryl ether epoxy resin is a cross-linked polymer obtained by a ring-opening reaction of a glyceryl ether polymer and a polyamine compound. The glyceryl ether polymer is a glycidyl ether polymer comprising at least two epoxy groups, and the polyamine compound comprises at least two amine groups. The cross-linked polymer is a cross-linked three-dimensional network structure, the cross-linked polymer comprises a main chain and a plurality of hydroxyl groups, and the plurality of hydroxyl groups are located on the main chain. An epoxy structure of the glyceryl ether polymer is located on the main chain.

Abstract: A method of testing an oxidation potential of an electrolyte is provided. The method comprises: arranging an electrolyte between a working electrode and an auxiliary electrode to form an electrolytic cell; applying a first voltage U1 between the working electrode and the auxiliary electrode for a time ?t; applying a second voltage U2 between the working electrode and the auxiliary electrode for the time ?t, wherein U2=U1+?U; likewise, applying a nth voltage Un between the working electrode and the auxiliary electrode for the time ?t, to obtain a change curve of a current and an electric potential of the electrolytic cell with time, wherein Un=U(n?1)+?U, and n is an integer greater than or equal to 4; and obtaining the oxidation potential of the lithium ion battery electrolyte according to the change curve.

Abstract: A lithium ion battery electrolyte comprising a glyceryl ether epoxy resin gel is provided. The glyceryl ether epoxy resin gel comprises a glyceryl ether epoxy resin and an electrolyte. The glyceryl ether epoxy resin is a cross-linked polymer obtained by a ring-opening reaction of a glyceryl ether polymer and a polyamine compound. The glyceryl ether polymer is a glycidyl ether polymer comprising at least two epoxy groups, and the polyamine compound comprises at least two amine groups. The cross-linked polymer comprises a main chain and a plurality of hydroxyl groups, and the plurality of hydroxyl groups are located on the main chain. The electrolyte comprises a lithium salt and a non-aqueous solvent. The lithium salt and the glyceryl ether epoxy resin are dispersed in the non-aqueous solvent. A method of making the lithium ion battery electrolyte is also provided.