# US 11,444,336 B2 · Electronic device and battery module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,444,336 B2 - Document ID: US11444336B2 - Status: Granted - Kind: B2 - Application number: 16/913,718 - Filed: 2020-06-26 - Published: 2020-12-31 - Granted: 2022-09-13 - Earliest claimed: 2019-06-28 - Assignees: Lenovo (Beijing) Limited - Applicants: Lenovo (Beijing) Co., Ltd. - Inventors: Tingting Wang - Web page: https://patentgrep.com/patent/US11444336B2 ## CPC - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 10/44: Methods for charging or discharging (circuits for charging H02J7/00) - H01M 10/448: {End of discharge regulating measures} - H01M 10/46: Accumulators structurally combined with charging apparatus (circuits for charging H02J7/00) - H02J 7/06: using discharge tubes or semiconductor devices - H02J 7/70: characterised by the mechanical construction - H02J 50/005: {Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices} - H02J 50/10: using inductive coupling - H04M 1/0262: {for a battery compartment} - H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing} - H01M 2220/30: Batteries in portable systems, e.g. mobile phone, laptop - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract An electronic device includes a device housing having a first receiving cavity, a function module at least partially located in the first receiving cavity, and a battery module located in the first receiving cavity. The battery module includes a battery casing that forms a second receiving cavity, a battery component located in the second receiving cavity, and a charging component located in the second receiving cavity. The battery component is configured to store electrical energy or release the stored electrical energy. The charging component is connected to the battery component and configured to charge the battery component through transmission of a wireless signal with a power supply device. ## Claims ### Claim 1 An electronic device, comprising: a device housing having a first receiving cavity, a function module at least partially located in the first receiving cavity, and a battery module located in the first receiving cavity; wherein the battery module comprises: a battery casing, the battery casing forming a second receiving cavity; a battery component located in the second receiving cavity, being configured to store electrical energy or release the stored electrical energy; and a charging component located in the second receiving cavity, being connected to the battery component and being configured to charge the battery component through transmission of a wireless signal with a power supply device, wherein: the charging component comprises: a charging coil configured to induce the wireless signal, convert the wireless signal into a charging signal, and charge the battery component based on the charging signal; the function module comprises: an input module, comprising: an input collection area displayed on an outer surface of the electronic device through an opening disposed on a first surface of the device housing; and the battery module is located at a side of the input module away from the first surface, and a side of the battery module provided with the charging coil faces a second surface of the device housing, the second surface being opposite the first surface. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein: the charging coil is a hollow ring-shaped charging coil, and the hollow portion of the ring-shaped charging coil is located away from the side of the first surface of the input module. ### Claim 3 (depends on 1) The electronic device according to claim 1, wherein the function module comprises: a charging component, comprising: a rectifier subcomponent connected to the charging coil, being located at a different side of the battery component from the charging coil in a first direction, and being configured to rectify the charging signal; and a charging subcomponent connected to the rectifier subcomponent, being located at a different side of the battery component from the charging coil, and being configured to transmit the rectified charging signal to the battery component to charge the battery component; wherein: the rectifier subcomponent and the charging subcomponent are located at opposite ends of the input module in a second direction, the second direction being perpendicular to the first direction. ### Claim 4 (depends on 1) The electronic device according to claim 1, wherein the input module comprises at least one of: a keyboard, a touchpad, a touchscreen, a fingerprint module, and pointing stick. ### Claim 5 (depends on 1) The electronic device according to claim 1, wherein: when the battery module generates heat and expands, a middle part expands first relative to two ends, the charging coil being a ring-shaped hollow charging coil, and the middle part entering the hollow part during expansion. ### Claim 6 (depends on 1) The electronic device according to claim 1, wherein: a state of the charging subcomponent comprises: a connected state and a disconnected state; when the charging subcomponent being in the connected state, the connected charging subcomponent charging the battery component; and when the charging subcomponent being in the disconnected state, the charging subcomponent not charging the battery component. ### Claim 7 (depends on 3) The electronic device according to claim 3, wherein the charging component further comprises: a control subcomponent located in the second receiving cavity, being located at the same side of the input module as the rectifier subcomponent in the second direction, and being configured to control operating state of the charging subcomponent. ### Claim 8 (depends on 7) The electronic device according to claim 7, wherein: the control subcomponent comprises: a charging controller; and the control subcomponent is connected to a switch; the switch being controlled by the control subcomponent and being disposed at the charging subcomponent, and being configured to provide a control signal to the switch to control a state of the charging subcomponent, the switch comprising: one or more metal-oxide-silicon (MOS) transistors. ### Claim 9 (depends on 3) The electronic device according to claim 3, wherein: a spacing is disposed between the rectifier subcomponent and the charging subcomponent; and the battery module comprises: a heat dissipation component distributed on a different side of the battery component from the rectifier subcomponent and the charging subcomponent in the first direction, and being configured to dissipate heat of the battery module. ### Claim 10 (depends on 9) The electronic device according to claim 9, wherein: a protrusion portion of the input module toward an inside of the device housing is embedded in the spacing between the rectifier subcomponent and the charging subcomponent. ### Claim 11 A battery module, comprising: a battery component configured to store electrical energy or release the stored electrical energy; and a charging component, connected to the battery component, being configured to charge the battery component through transmission of a wireless signal with a power supply device; the battery module having at least two thicknesses in a stacking direction of the battery component and the charging component, wherein the charging component comprises: a rectifier subcomponent located at a first end of a first side of the battery component; and a charging subcomponent located at a second end of the first side of the battery component, the second end being opposite the first end; and a spacing being disposed between the charging subcomponent and the rectifier subcomponent, a cross-section of the battery component at a position including the spacing having a first thickness, a cross-section of the battery component at a position other than the spacing having a second thickness, the second thickness being different from the first thickness. ### Claim 12 (depends on 11) The battery module according to claim 11, wherein the battery module has a shape from one of: a stepped shape, a trapezoidal shape, or a concave shape having wide ends and a narrow middle part, due to the at least two thicknesses. ### Claim 13 A battery module, comprising: a battery component configured to store electrical energy or release the stored electrical energy; a charging component, connected to the battery component, being configured to charge the battery component through transmission of a wireless signal with a power supply device, the battery module having at least two thicknesses in a stacking direction of the battery component and the charging component, a battery casing having a receiving cavity configured to receive the battery component and the charging component; a charging coil located in the receiving cavity, being configured to: induce the wireless signal, convert the wireless signal into a charging signal, and charge the battery component based on the charging signal; a rectifier subcomponent connected to the wireless charging coil, being located at a different side of the battery component from the wireless charging coil, and being configured to rectify the charging signal; and a charging subcomponent connected to the rectifier subcomponent, being located at the different side of the battery component from the wireless charging coil, being configured to transmit the rectified charging signal to the battery component to charge the battery component, the rectifier subcomponent and the charging subcomponent being located at opposite ends of the battery component. ### Claim 14 (depends on 11) The battery module according to claim 11, wherein: the battery module dissipates heat to surrounding air or a cooling liquid contained in a cooling component. ### Claim 15 (depends on 11) The battery module according to claim 11, further comprising: a connection interface capable of being connected to a function module and supplying the stored electrical energy of the battery component to the function module.