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公开(公告)号：US20230402867A1
公开(公告)日：2023-12-14
申请号：US17981638
申请日：2022-11-07
Applicant: SKC CO., LTD.
Inventor： Nah Young KIM , Yeon Jeong JO , Seung Hwan LEE , Tae Kyoung KIM
CPC classification number: H02J7/007188 , H02J50/10
Abstract: There is provided a wireless charging apparatus. The wireless charging apparatus comprises: a power transmitter for wirelessly transmitting power to a battery; a temperature sensor for detecting at least one of a temperature of the power transmitter, a temperature of the battery, and a temperature of a power receiver; and a controller for changing a current profile of the power transmitter based on the temperature.
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公开(公告)号：US20230365006A1
公开(公告)日：2023-11-16
申请号：US18245162
申请日：2022-01-12
Applicant: SKC CO., LTD.
Inventor： Nah Young KIM , Seunghwan LEE , Jong Hak CHOI , Tae Kyoung KIM
CPC classification number: B60L53/122 , H02J50/12 , C08K3/22 , C08L77/00 , C08K5/541 , C08K3/32 , C08K2003/2268 , C08K2201/003 , C08K2201/01 , C08K2003/329 , C08K2201/014
Abstract: A wireless charging apparatus according to an embodiment includes a magnetic unit with a low strain rate (thermal strain) at 180° C., wherein a position change (ΔDR1) at 180° C. is 0.07 or less, to thereby provide the magnetic unit with improved heat resistance and magnetic properties and prevent deformation and damage of the magnetic unit during wireless charging, and further improve the high temperature stability and charging efficiency. Therefore, the wireless charging apparatus can be efficiently used in personal transportation means such as electric motorcycles, electric kickboards, electric scooters, electric wheelchairs, and electric bicycles, as well as transportation means such as electric vehicles requiring large-capacity power transmission between a transmitter and a receiver.
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公开(公告)号：US20230344274A1
公开(公告)日：2023-10-26
申请号：US18020945
申请日：2021-07-27
Applicant: SKC CO., LTD.
Inventor： Nah Young KIM , Seunhwan LEE , Jong Hak CHOI , Tae Kyoung KIM
CPC classification number: H02J50/10 , B60L53/12 , B60L53/38 , H02J50/005
Abstract: A wireless charging device according to the present invention comprises a hybrid-type magnetic unit including a first magnetic unit and a second magnetic unit and, by adjusting the magnetic permeability, inductance, and arrangement structure of the units, can effectively reduce a heat generated during high power density wireless charging and enhance charging efficiency. Therefore, the wireless charging device can be efficiently used in various fields of personal transportation means such as electric motorcycles, electric kickboards, electric scooters, electric wheelchairs, and electric bicycles, as well as fields requiring large-capacity power transmission such as electric vehicles.
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公开(公告)号：US20170341341A1
公开(公告)日：2017-11-30
申请号：US15609100
申请日：2017-05-31
Applicant: SKC CO., LTD.
Inventor： Tae Kyoung KIM , Jong Hwi PARK , Jin Cheol KIM , Hyun Gon MOON , Jonghak CHOI , Nah Young KIM
IPC: B32B7/12 , B32B27/40 , B32B37/06 , B32B37/10 , H01Q1/36 , B32B15/08 , B32B27/20 , H01Q1/24 , H02J7/02 , B32B38/00 , H04B5/00
CPC classification number: B32B7/12 , B32B5/16 , B32B15/08 , B32B15/16 , B32B15/20 , B32B27/20 , B32B27/40 , B32B37/06 , B32B37/10 , B32B37/18 , B32B37/20 , B32B2038/0076 , B32B2250/03 , B32B2250/40 , B32B2255/06 , B32B2255/26 , B32B2260/025 , B32B2260/046 , B32B2264/102 , B32B2264/105 , B32B2264/107 , B32B2264/12 , B32B2307/202 , B32B2307/208 , B32B2307/732 , B32B2375/00 , B32B2457/00 , H01Q1/242 , H01Q1/36 , H01Q7/06 , H02J7/025 , H02J50/12 , H04B5/0081
Abstract: According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.
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公开(公告)号：US20230402874A1
公开(公告)日：2023-12-14
申请号：US18246856
申请日：2021-10-19
Applicant: SKC CO., LTD.
Inventor： Nah Young KIM , Seunghwan LEE , Jong Hak CHOI , Tae Kyoung KIM
IPC: H02J50/10 , H02J50/00 , B60L53/122
CPC classification number: H02J50/10 , H02J50/005 , B60L53/122
Abstract: A wireless charging device according to one embodiment has an inductance deviation at 80° C. of 0 or more, and has a magnetic part that has a permeability change rate (ΔP1) of 0/° C. or more, thus having excellent high-temperature stability, and being able to maintain excellent charging efficiency even at high temperature. Therefore, the wireless charging device can be useful in a transportation means such as an electric vehicle requiring large-capacity power transmission between a transmitter and a receiver.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20230336026A1
公开(公告)日：2023-10-19
申请号：US18019481
申请日：2022-03-25
Applicant: SKC CO., LTD.
Inventor： Jong Hak CHOI , Tae Kyoung KIM , Nah Young KIM , Seunghwan LEE
CPC classification number: H02J50/005 , B60L53/12 , H02J50/10
Abstract: A wireless charging apparatus for a transportation means according to an embodiment comprises a magnetic unit having a moisture absorption rate adjusted to a specific range, and accordingly, high magnetic properties and charging efficiency may be provided under a frequency and high power applied to wireless charging. Therefore, the wireless charging apparatus can be applied to a transportation means, such as an electric vehicle requiring a large amount of power transmission between a transmitter and a receiver.
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公开(公告)号：US20230322099A1
公开(公告)日：2023-10-12
申请号：US18334536
申请日：2023-06-14
Applicant: SKC Co., Ltd.
Inventor： Na Young KIM , Jonghak CHOI , Seung Hwan LEE , Jong Hwi PARK , Tae Kyoung KIM
Abstract: A pad assembly for power reception of an electric vehicle includes a receiving pad configured to support a receiving coil connected to an external component, and a magnetic complex layer disposed above or below the receiving coil. An increment in inductance per unit density of the magnetic complex layer disposed above or below the receiving coil is 25%·cm3/g or more compared to an increment in inductance per unit density of the magnetic complex layer alone not disposed above or below the receiving coil.
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公开(公告)号：US20230057615A1
公开(公告)日：2023-02-23
申请号：US17962000
申请日：2022-10-07
Applicant: SKC CO., LTD.
Inventor： Nah Young KIM , Seung Hwan LEE , Jong Hak CHOI , Tae Kyoung KIM
Abstract: A wireless power receiver includes a receiving pad configured to receive power transmitted from a wireless power transmitter including a transmitting pad and a transmitting side resonant inductor, and a receiving side resonant network including a receiving side resonant inductor that controls power supplied to the receiving pad. Further, a first inductance of the receiving side resonant inductor and a second inductance of the transmitting side resonant inductor are determined to be different from each other.
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公开(公告)号：US20220410730A1
公开(公告)日：2022-12-29
申请号：US17777844
申请日：2020-11-20
Applicant: SKC CO., LTD.
Inventor： Tae Kyoung KIM , Nah Young KIM , Jong Hak CHOI , Seunghwan LEE
Abstract: A wireless charging device according to an embodiment, can effectively discharge heat by including an insulating heat dissipation part in the inner part of a magnetic part or between the magnetic part and a coil part. Therefore, the wireless charging device can be effectively used for a transportation means such as an electric vehicle that requires high-capacity power transmission between a transmitter and a receiver.
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公开(公告)号：US20220402377A1
公开(公告)日：2022-12-22
申请号：US17775191
申请日：2021-01-27
Applicant: SKC CO., LTD.
Inventor： Tae Kyoung KIM , Jong Hak CHOI , Nah Young KIM , Seunghwan LEE
Abstract: A wireless charging apparatus according to an embodiment can improve heat dissipation and charging efficiency by adjusting the surface area of a magnetic pad. Therefore, the wireless charging apparatus can be effectively used for a transportation means, such as an electric vehicle, which requires high-capacity power transmission between a transmitter and a receiver.
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