摘要:
A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.
摘要:
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
摘要:
Nonaqueous electrolytes which can produce a battery of high capacity and excellent storability and cycle characteristics are provided, as are batteries produced with the electrolytes. The electrolytes include ones with (i) an aromatic compound having 7-18 carbon atoms in total and a fluorinated cyclic carbonate having two or more fluorine atoms, (ii) diethyl carbonate and a fluorinated cyclic carbonate having two or more fluorine atoms, (iii) at least one of a cyclic sulfonic acid ester compound, disulfonic acid ester compound, nitrile compound, and a compound of formula (1) and a fluorinated cyclic carbonate having two or more fluorine atoms, or (iv) a nonaqueous electrolyte solution for use in a high-voltage battery having a final charge voltage of 4.3 V or higher and having a fluorinated cyclic carbonate with two or more fluorine atoms.
摘要:
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and/or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.
摘要:
A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and/or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.
摘要:
Disclosed is a nonaqueous electrolytic solution which forms a nonaqueous-electrolyte battery having high capacity and excellent storage characteristics at high temperatures, while sufficiently enhancing safety at the time of overcharge, and a nonaqueous-electrolyte battery using the same. The nonaqueous electrolytic solution has an electrolyte and a nonaqueous solvent with (A) a compound of formula (2): wherein R7 is an optionally halogenated and/or phenylated alkyl group comprising 1-12 carbon atoms, R8 to R12 are independently a hydrogen atom, a halogen atom, an optionally halogenated ether or alkyl group comprising 1-12 carbon atoms, and at least one of R8 to R12 is an optionally halogenated alkyl group comprising 2-12 carbon atoms; and/or (B) a carboxylic acid ester with a phenyl group substituted by at least one alkyl group (having 4 or more carbon atoms) that is optionally substituted.
摘要:
Disclosed is a nonaqueous electrolytic solution which forms a nonaqueous-electrolyte battery having high capacity and excellent storage characteristics at high temperatures, while sufficiently enhancing safety at the time of overcharge, and a nonaqueous-electrolyte battery using the same. The nonaqueous electrolytic solution has an electrolyte and a nonaqueous solvent with (A) a compound of formula (2): wherein R7 is an optionally halogenated and/or phenylated alkyl group comprising 1-12 carbon atoms, R8 to R12 are independently a hydrogen atom, a halogen atom, an optionally halogenated ether or alkyl group comprising 1-12 carbon atoms, and at least one of R8 to R12 is an optionally halogenated alkyl group comprising 2-12 carbon atoms; and/or (B) a carboxylic acid ester with a phenyl group substituted by at least one alkyl group (having 4 or more carbon atoms) that is optionally substituted.
摘要:
A nonaqueous electrolytic solution that can provide a high energy density nonaqueous electrolyte secondary battery having a high capacity, excellent storage characteristics, and excellent cycle characteristics and suppressing the decomposition of an electrolytic solution and the deterioration thereof when used in a high-temperature environment includes an electrolyte, a nonaqueous solvent, and a compound represented by general formula (1): wherein R1, R2, and R3 each independently represent a hydrogen atom, a cyano group, or an optionally halogen atom-substituted hydrocarbon group having 1 to 10 carbon atoms, with the proviso that R1 and R2 do not simultaneously represent hydrogen atoms.
摘要:
Provided is an image processing apparatus including a mode switching unit that selectively switches a mode between a rapid heating mode and a heat accumulating mode in a fixing unit, a receiving unit that receives an image formation request received from the outside, an extracting unit that extracts mode switching determination information at the earliest from the image formation request received by the receiving unit, a selecting unit that selects the mode based on the mode switching determination information extracted by the extracting unit, specifications of the fixing device, and a current temperature, and a switching control unit that controls the mode switching unit based on the mode selected by the selecting unit to switch the mode to the rapid heating mode or the heat accumulating mode.
摘要:
A non-aqueous electrolyte solution containing a lithium salt, a non-aqueous solvent, and a compound expressed by the following formula (IIc): wherein Z6 represents an integer of 2 or larger, X6 represents a Z6-valent hydrocarbon group having 2-6 carbon atoms, R61 represents, independently of each other, an alkyl group having 1-6 carbon atoms, R62 represents, independently of each other, an alkyl group having 1-6 carbon atoms substituted by one or more halogen atoms and any two or more of R61 and/or R62 may be linked with each other to form a ring.