About 97 results
https://drivepatents.com/patents/977404 · 19 Mar 2014
The present invention discloses an uninterrupted power supply circuit and a method for controlling the same, and pertains to the communications field. The circuit includes an alternating current input module, a positive Boost boost module, a negative Boost...
https://drivepatents.com/patents/978021 · 26 Feb 2014
The present invention provides a UPS and a DC-DC converter, where the UPS includes: a rectifier, an inverter, and a DC-DC converter. An input end of the DC-DC converter is connected to a BUS+, a BUS-, and an N wire. In this way, an input voltage is relativ...
https://drivepatents.com/patents/978728 · 12 Feb 2014
The present invention, relating to the battery field, discloses a positive pole material of a lithium ion battery and method for preparing the same, a positive pole of a lithium ion battery, and a lithium ion battery, which are capable of effectively preve...
https://drivepatents.com/patents/981202 · 11 Dec 2013
The present invention discloses a battery separator, including: a basement layer that comprises polyolefin and/or nonwoven fabric; a composite layer that is disposed on at least one surface of the basement layer, where the composite layer comprises polymer...
https://drivepatents.com/patents/981457 · 4 Dec 2013
Embodiments of the present invention disclose a cylindrical cell, including: a housing 1, at least one hollow cylinder 2, and at least two roll cores 3, upper and lower conductor junction plates 4, upper and lower cover plates 5, two poles 6 at an anode an...
https://drivepatents.com/patents/986727 · 18 Sep 2013
The present invention provides a heterojunction nano material, a negative pole piece of a lithium ion battery, and a lithium ion battery, where the heterojunction nano material includes a MoOnanobelt and a metal oxide in the alloy lithium intercalation mec...
https://drivepatents.com/patents/988565 · 24 Jul 2013
Embodiments of the present invention provide an over-current protection method and device for a lithium battery, where the device includes: a locking unit, configured to lock an over-current state of a lithium battery according to a charging/discharging ov...
https://drivepatents.com/patents/988564 · 24 Jul 2013
The present invention discloses an intelligent power distribution system and method, where the intelligent power distribution system includes: a load identification module, a management module, and an intelligent power distribution box. The management modu...
https://drivepatents.com/patents/989105 · 3 Jul 2013
Embodiments of the present invention provide an inverter apparatus and a solar photovoltaic grid-connected system, related to the field of solar photovoltaic power generation technologies, to solve the problem that the energy consumption of a boost circuit...
https://drivepatents.com/patents/992642 · 27 Feb 2013
The present invention discloses a wireless charging intensity indication method, including: obtaining, by a charged device, wireless charging intensity of the charged device at a present charging position, and displaying, on a display screen, the wireless ...