Abstract: The present invention provides a reagent for detecting methyl salicylate, which is a plant hormone released when a plant is infected with a disease, in the cultivation of plants including agricultural crops, a methyl salicylate sensor, and a method for sensing methyl salicylate using the same, thereby providing a method for early detection of pathogen infection in a plant. A reagent for detecting methyl salicylate comprising a terbium compound and a non-volatile ionic liquid. A methyl salicylate sensor for detecting methyl salicylate comprising: a capture section of methyl salicylate having the reagent and a detection section detecting that methyl salicylate has been captured by the capture section.

Abstract: Provided is a method for sensing methyl salicylate, which is a plant hormone released when a plant is infected with a disease. One aspect of the present embodiment relates to a method for sensing methyl salicylate, including detecting a reaction product of a terbium-sulfoxide complex represented by the predetermined formula and methyl salicylate.

Abstract: Provided is a method for sensing methyl jasmonate, which is a plant hormone released when a plant is damaged by an insect pest, in the cultivation of plants including agricultural crops, thereby providing a method for early and in-situ detection of a damage by an insect pest in a plant. More specifically, a hydrazine derivative that selectively recognizes methyl jasmonate, which is a plant hormone released released when a plant is damaged by an insect pest, is used as a sensing receptor to form a hydrazone derivative, and a damage by an insect pest can be detected at an early stage by utilizing the fluorescence emission phenomenon after reaction with methyl jasmonate.

Abstract: Provided is a method for sensing methyl salicylate, which is a plant hormone released when a plant is infected with a disease in cultivation of plants including agricultural crops, and thereby provided a method for early in-situ detection of disease infection in a plant. With the present embodiment, disease infection in a plant can be detected at an early stage by utilizing a rare earth compound that selectively recognizes and forms a complex with methyl salicylate, which is a plant hormone released when a plant is infected by a pathogen, as a receptor for sensing, and by utilizing a fluorescence emission phenomenon and a change in electrochemical behavior after the reaction with methyl salicylate.

Abstract: An example objective of the present invention is to provide a method for detecting a tyrosine residue in a sample and a compound that can be used in the method. One aspect of the present embodiment relates to a method for detecting a tyrosine residue in a sample, wherein fluorescence emission from a reaction product of a terbium compound represented by the predetermined formula and a tyrosine residue is detected.

Abstract: A detection device according to an aspect of the present disclosure includes a detection portion that contains a substance that emits fluorescence in a case of being irradiated with light when reacting with a plant hormone.

Abstract: Disease infection in a plant can be detected at an early stage by utilizing a boron-oxygen compound having a specific structure that selectively recognizes and forms a complex with methyl salicylate, which is a plant hormone released when a plant is infected by a pathogen, as a receptor for sensing, and by utilizing a fluorescence emission phenomenon and a change in electrochemical behavior after the reaction with methyl salicylate.

Abstract: The object of the invention is to provide a new lithium ion battery system that can have both high energy density and fast chargeable capability. The invention provides a lithium ion battery, comprising an anode comprising an anode active material layer on an anode current collector, the anode active material layer having a mass load higher than 60 g/m2, a cathode comprising a cathode active material layer on a cathode current collector, the cathode active material layer having a mass load higher than 100 g/m2, and an electrolytic solution comprising an imide anion based lithium salt and LiPO2F2, wherein at least one of the anode and cathode active material layers comprises a spacer composed of a hard carbon.

Abstract: The invention provides a lithium ion battery, including an anode, a cathode and an electrolytic solution including imide anion based lithium salt and LiPO2F2. The cathode includes a cathode active material particle and a carbon conductive additive forming an island-bridge structure on the surface of the cathode active material particle. The carbon conductive additive includes graphenes partially covered with the surface of the cathode active material particle to form an island structure, carbon blacks attached on the surface of the graphene and carbon nanotubes connecting between graphenes as a bridge structure.

Abstract: An object of the present invention is to provide a reduced graphene oxide-graphite composite material capable of improving battery characteristics such as the charge and discharge efficiency and the capacity retention ratio of a lithium ion secondary battery, and a method for producing the same. The present invention relates to a reduced graphene oxide-graphite composite material in which a reduced graphene oxide and a graphite are formed into a composite, wherein the functional group ratio (C—O/C?O) between C—O bond and CO=bond is 3 to 6 as obtained from a C1s spectrum based on surface analysis measured by X-ray photoelectron spectroscopy (XPS).

Abstract: In order to provide a lithium ion secondary battery having both high energy density and an excellent charge-rate characteristic, there is provided a lithium ion secondary battery including a positive electrode containing a positive electrode active material made of a lithium composite oxide, and nano-carbon having a Li ion diffusion path as an additive, and an electrolyte solution containing 0.5 mol/l or more of Li[(FSO2)2N] as an electrolyte, LiPO2F2 as an additive, and a ternary-system of ethylene carbonate (EC), dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC), as solvents.

Abstract: An object of the present invention is to provide a reduced graphene-based material to improve charge/discharge efficiency of a lithium ion secondary battery. The reduced graphene-based material of the present invention has a coating containing lithium element (Li), phosphorus element (P), fluorine element (F), and oxygen element (O) on at least a part of the surface, wherein in the elemental composition of the surface as measured by X-ray photoelectron spectroscopy (XPS), the proportion of lithium element (Li) is 0.8 to 2.0 (atomic %), the proportion of phosphorus element (P) is 0.5 to 2.0 (atomic %), the proportion of fluorine element (F) is 0.05 to 1.0 (atomic %), and the proportion of oxygen element (O) is 7.0 to 12.0 (atomic %).

Abstract: A graphite-based material for a lithium ion secondary battery, the graphite-based material comprising a coating film on at least a part of the surface of a graphite particle, the coating film comprising a lithium fluorophosphate compound having a specific composition.

Abstract: An electrode for lithium ion secondary batteries, including a porous glass particle and a positive electrode active material or negative electrode active material that is capable of occluding and releasing lithium ions wherein the pore volume of the porous glass particle is from 0.1 ml/g to 2 ml/g, is used to provide a lithium ion secondary battery excellent in a charge rate property.

Abstract: In order to provide a lithium ion secondary battery having both high energy density and an excellent charging-rate characteristic, in the lithium ion secondary battery comprising a positive electrode, a negative electrode and an electrolyte solution, the electrolyte solution comprises 0.5 mol/l or more of Li[(FSO2)2N], 0.5 mol/l or more of LiPF6, and LiPO2F2; and the negative electrode comprises graphite deposited with amorphous carbon or graphite coated with amorphous carbon and having a specific surface area of 4 m2/g or less, as a negative electrode active material.

Abstract: An object of the present invention is to provide a positive electrode active substance capable of suppressing gas generation associated with charge and discharge in a lithium secondary battery, and capable of suppressing gas generation associated with charge and discharge particularly even in cases where the use voltage of the lithium secondary battery is high, a positive electrode and a lithium secondary battery using the positive electrode active substance, and methods for producing these. The present invention is a positive electrode active substance for a lithium secondary battery, comprising a coated positive electrode active substance wherein a surface of a positive electrode active substance is directly coated with lithium metaphosphate.

Abstract: The invention provides a lithium ion battery, including an anode, a cathode and an electrolytic solution including imide anion based lithium salt and LiPO2F2. The cathode includes a cathode active material particle and a carbon conductive additive forming an island-bridge structure on the surface of the cathode active material particle. The carbon conductive additive includes graphenes partially covered with the surface of the cathode active material particle to form an island structure, carbon blacks attached on the surface of the graphene and carbon nanotubes connecting between graphenes as a bridge structure.

Abstract: In terms of a lithium ion secondary battery using, in a positive electrode, a lithium transition metal composite oxide containing an over-stoichiometric amount of lithium, a lithium ion secondary battery in which an amount of a gas generated during charge/discharge cycles is reduced and capacity retention is improved is provided. The lithium ion secondary battery includes a positive electrode containing a lithium transition metal composite oxide containing Fe and containing an over-stoichiometric amount of lithium, and a nonaqueous electrolyte solution, and the nonaqueous electrolyte solution contains a nonaqueous organic solvent, an electrolyte, and lithium difluorophosphate.

Abstract: A graphite-based material for a lithium ion secondary battery, the graphite-based material comprising a coating film on at least a part of the surface of a graphite particle, the coating film comprising a lithium fluorophosphate compound having a specific composition.

Abstract: A secondary battery exhibiting high charge and discharge rate characteristics can be provided, by making the secondary battery have a cathode including a nitroxyl compound taking a nitroxyl cation substructure represented by the following formula (1) in an oxidized state and a nitroxyl radical substructure represented by the following formula (2) in a reduced state, an anode including an active material capable of reversibly intercalating and deintercalating a lithium ion, and an electrolyte solution including a lithium salt and an aprotic organic solvent, and employing Li[(FSO2)2N] as the lithium salt: