Abstract:
A composite cathode active material including: a lithium composite oxide; a metal phosphate represented by Formula 1, preparation methods thereof, a cathode and a lithium battery. MxPyOz Formula 1 wherein, in Formula 1, M is vanadium, niobium, tantalum, or a combination thereof, 1≦y/x≦1.33, and 4≦z/y≦5.
Abstract translation:一种复合阴极活性材料,包括:锂复合氧化物; 由式1表示的金属磷酸盐,其制备方法,阴极和锂电池。 式1其中,在式1中,M是钒,铌,钽或它们的组合,1≦̸ y / x≦̸ 1.33和4< lE; z / y≦̸ 5。
Abstract:
An electronic device according to various embodiments of the present disclosure comprises: at least one wireless communication module; and a processor, wherein the processor can control the wireless communication module to respectively receive a plurality of pieces of data from a plurality of external electronic devices, identify a time when each of the plurality of pieces of data has been received, and, when location information regarding the plurality of external electronic devices is included in the plurality of pieces of data, calculate the location of the electronic device by using a time difference in reception of the plurality of pieces of data and the location information regarding the plurality of external electronic devices. Various other embodiments are also possible.
Abstract:
Disclosed is an electronic device. The electronic device includes: an antenna structure including at least one antenna and at least one processor operatively connected with the antenna structure. The antenna structure includes: a first conductive patch including a first edge and a second edge parallel to the first edge, a first transmission line electrically connected to a first point of the first conductive patch, a second conductive patch spaced apart from the first conductive patch by a specified distance and including a third edge at least partially facing the second edge of the first conductive patch and a fourth edge parallel to the third edge, and a second transmission line electrically connected to a second point of the second conductive patch. The first point of the first conductive patch and the second point of the second conductive patch are located on the second edge of the first conductive patch and the third edge of the second conductive patch or on the first edge of the first conductive patch and the fourth edge of the second conductive patch.
Abstract:
Example embodiments include an electronic device and a method for operating an electronic device. The electronic device includes an ultra-wide band (UWB) antenna including directional antennas disposed on a rear surface of the electronic device and at least one omnidirectional antenna. The electronic device further includes a communication circuit configured to transmit and/or receive radio frequency (RF) signals of a frequency band designated to be used for UWB communication, through the UWB antenna, with an external electronic device. The electronic device further includes a processor configured to calculate a first distance value and a second distance value, and to determine, based on a distance difference between the first distance value and the second distance value, whether the external electronic device exists within a field of view (FoV) indicating a specified angular range with respect to the direction to which the rear surface faces.
Abstract:
An electronic device is provided. The electronic device includes an antenna to transmit or receive a signal of a specific frequency band, a wireless local area network (WLAN) communication module, and an ultra-wide band (UWB) communication module, wherein the UWB communication module may be configured to transmit a first signal notifying that the specific frequency band is to be used to the WLAN communication module, and use the specific frequency band, wherein the WLAN communication module may be configured to terminate, in case that the specific frequency band is being used, a use of the specific frequency band within a preset time in response to reception of the first signal, and transmit, when the use of the specific frequency band is terminated, a second signal indicating whether the specific frequency band is used by the WLAN communication module to the UWB communication module.
Abstract:
In an electronic device and an operation method thereof according to certain embodiments, the electronic device may include: a first communication circuit configured to perform a first communication using an ultra-wide band (UWB) communication scheme and a processor. The processor may control the communication circuit to: identify, based on a characteristic of data to be transmitted using the first communication circuit, a frame length of the data to be transmitted; determine, based on the identified frame length, a peak voltage of a signal containing the data to be transmitted; and transmit the data using the signal having the determined peak voltage.
Abstract:
A method and an electronic device for ranging are provided. An ultra-wideband (UWB) signal is received from an external device through a first antenna. A communication state between the external device and the electronic device is identified using information about communication quality included in the UWB signal. A signal received through a second antenna is identified by decoding the received signal based on the identified communication state. A distance between the electronic device and the external device is determined based on whether the received signal is a low frequency (LF) signal.
Abstract:
A composite positive active material represented by Formula 1, LiaNibCOcMndMeO2 Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0
Abstract:
The disclosure relates to a foldable electronic device and a method for displaying information in the foldable electronic device. The foldable electronic device includes a foldable housing, a first display disposed on first and second inner surfaces of the foldable housing, where the first and second inner surfaces face each other in a folded state, a second display exposed through at least a portion of an outer surface of the foldable housing, a processor operatively connected to the first and second displays, and a memory operatively connected to the processor. The memory stores instructions that, when executed, cause the processor to display contents on the first display, receive a first user input for selecting at least a partial area of the displayed contents, generate an image based on information related to the selected partial area, and display the image on the second display. Other various embodiments are possible.
Abstract:
A composite cathode active material, includes a first metal oxide having a first layered crystal structure; and a second metal oxide having a second layered crystal structure, wherein the second metal oxide includes a layered double oxide (LDO). Also a cathode and a lithium battery including the composite cathode active material.