Samsung Sdi Co., Inc.

Woon-Seong Baek

Heui-Sang Yoon

Jong-Wook Yoon

Sang-jin Park

Young-ho Kim

Sangjoo Lee

Kyung-Won Seo

Heuisang Yoon

Sang-Jin Park

Se-Jin Ji

Sang-Joo Lee

Hyeon-Cheol Jeong

Sang-Kyou Kim

Jong-pil Kim

Woo-Choul Kim

Jin-Tae Hong

Kwan-Il Oh

Won-Ho Kim

Sang-Il Yi

Dae-Geun Kim

Jong-Pil Kim

Buang-Ho Park

Kim Woody

Woody Kim

An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a non-driving period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the non-driving period.

Electric transportation system

A device for controlling a charging voltage, includes: a voltage drop unit configured to drop a voltage by a preset magnitude; a voltage comparison unit configured to compare a charging voltage of a battery with a first reference voltage and to output a path selection signal through an output terminal; a first path configured to connect the battery to a charging power supply; a second path configured to connect the battery to the charging power supply, with the voltage drop unit being interposed between the battery and the charging power supply; and a path selector configured to select one from the first path and the second path according to the path selection signal.

Device for controlling charging voltage

A battery pack includes a bare cell including an electrode assembly, a can housing the electrode assembly; and a cap plate sealing an open end of the can; a protective circuit module on the bare cell and including a lead member electrically coupling the protective circuit module to the bare cell; an upper cover coupled to the bare cell and covering the protective circuit module; and a shock absorber between the upper cover and the lead member.

Battery pack with shock absorber

A battery pack including a battery cell including an electrode assembly arranged within a can and an electrode terminal electrically connected to the electrode assembly, the can having an opening sealed by a cap plate, a top case attached to the battery cell at a top portion of the battery cell, the top case having an inner space and a protective circuit module including a protection circuit board arranged within said inner space of said top case and electrically connected to the electrode assembly, wherein the top case includes a top portion opposite from the electrode assembly and first and second pairs of opposed sides, the first pair of opposed sides having an edge, a portion of the edge has a recessed interference preventing portion, the recessed interference preventing portion corresponds to a location of a weld connecting an electrode tap to the electrode terminal.

Battery pack

A battery pack including: a plurality of battery cells; a case configured to accommodate the battery cells spaced from one another at an interval; and at least one tab configured to electrically connect the plurality of battery cells, and a terminal coupling portion is formed at a side of the tab.

A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value.

System for controlling driving of electric vehicle and method of the same

A battery pack including a bare cell having an electrode assembly, a case housing the electrode assembly, and a plurality of electrode taps electrically coupled to the electrode assembly, each of the electrode taps having an electrode connection portion; and a plurality of electrode terminals each including a plurality of elastically deformable portions, wherein each of the electrode terminals is electrically coupled to one of the electrode taps, wherein the electrode connection portion of a respective one of the electrode taps is coupled between the elastically deformable portions of a respective one of the electrode terminals.

A polymer battery pack assembly comprising a mounting frame having a first cavity defining a first mounting location and a second cavity defining a second mounting location, the first and second cavities being separated from each other; a top case mounted on the second mounting location, the top case having a third cavity defining a third mounting location; a lithium polymer battery cell mounted within the first mounting location, the battery cell having a positive tap and a negative tap extending beyond the first cavity towards the second mounting location; and a protection circuit module mounted in the third mounting location, the protection circuit module being electrically connected to the positive tap and the negative tap when the top case is mounted to the mounting frame such that the protection circuit module fits into said second cavity.

Battery pack for a lithium polymer Battery

A battery pack including a bare cell, the bare cell having a pair of first side portions opposite to each other, a pair of second side portions opposite to each other, and a pair of plane portions opposite to each other, the second side portions and the plane portions being connected to ends of the first side portions; a protection circuit module electrically connected to the bare cell; an inner frame between the bare cell and the protection circuit module, the inner frame accommodating the bare cell and exposing one side portion of the pair of first side portions; and an outer frame, the outer frame accommodating the bare cell, the protection circuit module, and the inner frame and exposing the pair of plane portions.

Battery pack having an inner frame and an outer frame

A battery pack includes a bare cell that includes an electrode assembly, a case for accommodating the electrode assembly, and a cap plate arranged at one side of the case, a protection circuit board assembly for controlling charge/discharge of the bare cell, a battery protection device electrically connected to the protection circuit board assembly, and a first adhesive member. At least a part of the first adhesive member is disposed on the case. The first adhesive member crosses the battery protection device in a lengthwise direction of the battery protection device.

A rechargeable battery including a case, and a cap plate, a protective circuit module that is electrically connected to the bare cell. A protection element that is installed between the bare cell and the protective circuit module. A protection element cover member that is positioned between the protection element and the protective circuit module and that covers the protection element, and a protection element coupling member that is positioned between the bare cell and the protection element. The protection element is attached to the bare cell, wherein the protection element coupling member is coupled to a protrusion on the cap plate.

Rechargeable battery

A rechargeable battery including a bare cell having an end portion including a first surface portion and a second surface portion projecting from the first surface portion; an insulating member having a first insulating portion attached to the first surface portion and a second insulating portion attached to the second surface portion, the second insulating portion being partially separated from the second surface portion, the first insulating portion forming an angle with the second insulating portion; and a protection circuit module electrically connected to the bare cell, the protection circuit module being disposed on the second insulating member.

Rechargeable battery pack

A battery pack including a bare cell; a protection circuit module electrically coupled to the bare cell; an outer frame accommodating the bare cell and the protection circuit module, wherein a first surface of a first side of the outer frame contacts the protection circuit module; and a first projection on a second surface of the first side of the outer frame opposite to the first surface.

A pouch-type battery pack that includes a bare cell, a protection circuit module and a top case. The bare cell has a plurality of electrode leads extending to the exterior of the bare cell. The protection circuit module is provided with electrode terminals that come in contact with the electrode leads, respectively. The top case is coupled to the bare cell while surrounding the protection circuit module.

A battery pack having excellent assembling efficiency and strength against drop impact. The battery pack includes: an electrode assembly; a case that has a space accommodating the electrode assembly and includes a wing portion having a plurality of through-holes in at least one direction of the outer circumference; and a frame that includes a frame body disposed to encompass the outer circumference of the case and a frame coupling unit integrally formed with the frame body and coupling the case to the frame body via the through-holes.

Growing community of inventors

Yongin-si, South Korea

Woon-Seong Baek