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CN-224216664-U - For vulcanization H of the electrolyte2S gas release amount detection device

CN224216664UCN 224216664 UCN224216664 UCN 224216664UCN-224216664-U

Abstract

The utility model discloses an H 2 S gas release amount detection device for sulfide electrolyte, which relates to the technical field of solid-state batteries and functional materials and comprises a constant-temperature glove box, wherein a detection mechanism is arranged on the outer side of the constant-temperature glove box and comprises a detection unit, a simulation unit firstly moves a sealed sulfide electrolyte sample to be detected onto a first gas real-time monitoring probe in the constant-temperature glove box through an openable hatch cover at the top, a nitrogen steel bottle valve is opened, the first gas real-time monitoring probe feeds back H 2 O gas concentration, nitrogen passes through a first glass bottle at a certain flow rate, a sealing sample is unsealed, a second gas real-time monitoring probe starts to collect and record the real-time release amount of H 2 S gas, and black precipitates start to appear in the second glass bottle, so that the accuracy and the repeatability of detecting the H 2 S gas release amount of sulfide electrolyte are improved, and the released H 2 S gas is effectively treated.

Inventors

  • WANG SHUO
  • ZHOU RUIHUA
  • JIN TINGWU
  • YANG ZHIHUA
  • HUANG XUEHUI

Assignees

  • 桐乡市前沿新材料研究院
  • 武汉理工大学

Dates

Publication Date
20260508
Application Date
20250408

Claims (6)

  1. 1. The H 2 S gas release amount detection device for the sulfide electrolyte comprises a constant-temperature glove box (1), and is characterized in that a detection mechanism (2) is arranged on the outer side of the constant-temperature glove box (1) and used for improving the accuracy and the repeatability of detecting the release amount of H 2 S gas of the sulfide electrolyte, and the released H 2 S gas is effectively treated, and the detection mechanism (2) comprises: The detection unit (21) is arranged on the outer side of the constant temperature glove box (1), and comprises a first gas real-time monitoring probe (211) fixedly arranged on the left side of the constant temperature glove box (1) through a guide pipe, the left side of the first gas real-time monitoring probe (211) is fixedly connected with a first glass bottle (212) through inverted hanging, the left side of the constant temperature glove box (1) is fixedly provided with a connecting pipe (216), the right side of the constant temperature glove box (1) is fixedly provided with a second gas real-time monitoring probe (213), the second gas real-time monitoring probe (213) is fixedly connected with a second glass bottle (214) through a guide pipe, the right side of the second glass bottle (214) is fixedly connected with a third glass bottle (215) through a guide pipe, the concentration of water vapor and nitrogen is accurately detected through the first gas real-time monitoring probe (211) on the left side of the constant temperature glove box (1), the second gas real-time monitoring probe (213) on the right side of the constant temperature glove box (1) is accurately used for detecting the concentration of H 2 S, and the H 2 S gas released by sulfide electrolyte is completely absorbed through Pb (CH 3 COO) 2 solution in the second glass bottle (214); And the simulation unit (22) is arranged in the constant-temperature glove box (1) and is used for simulating the shaking condition of the sulfide electrolyte in the moving process.
  2. 2. The H 2 S gas release amount detection device for sulfide electrolyte according to claim 1, wherein an openable hatch cover is arranged at the top of the constant-temperature glove box (1), an operation window is arranged at the top of the hatch cover, rubber gloves are arranged on the operation window, a test sample can be conveniently operated in a closed system, and a constant-temperature controller is arranged outside the constant-temperature glove box (1).
  3. 3. The H 2 S gas release amount detection device for sulfide electrolyte according to claim 1, wherein the inside of each of the second glass bottle (214) and the third glass bottle (215) contains Pb (CH 3 COO) 2 solution), H 2 S gas reacts into PbS black precipitate in the second glass bottle (214), and H 2 S gas absorption by sulfide electrolyte released in the second glass bottle (214) is detected by the third glass bottle (215).
  4. 4. The device for detecting the release amount of H 2 S gas for sulfide electrolyte according to claim 1, wherein the conduit on the left side of the first glass bottle (212) and the connecting pipe (216) are connected with a high-purity nitrogen steel bottle with a pressure reducing valve.
  5. 5. The H 2 S gas release amount detection device for sulfide electrolyte according to claim 1, wherein the simulation unit (22) comprises a housing (221) fixedly installed at the bottom of an inner cavity of a constant temperature glove box (1), a mounting plate (223) is fixedly installed inside the housing (221), a fixing rod (224) is fixedly installed on one side of the mounting plate (223), a motor (225) is fixedly installed on the other side of the mounting plate (223), an output end of the motor (225) penetrates through the mounting plate (223) and the middle of the fixing rod (224), a rotating disc (226) is fixedly installed between the fixing plate (223) and the fixing rod (224), a linkage rod (227) is rotatably installed on one side of the rotating disc (226), a rotating shaft (228) is rotatably installed inside the fixing rod (224), a group of connecting rods (229) are fixedly installed on the surface of the rotating shaft (228), a sliding column (2210) is fixedly installed on the inner side of the connecting rods (229), and a rotating disc is fixedly installed on the top end of the rotating shaft (228) penetrating through the housing (221).
  6. 6. The H 2 S gas release amount detection device for sulfide electrolyte according to claim 5, wherein a fan (222) for accelerating the air flow rate in the tank is provided on the front side of the case (221).

Description

H 2 S gas release amount detection device for sulfide electrolyte Technical Field The utility model relates to the technical field of solid-state batteries and functional materials, in particular to an H 2 S gas release amount detection device aiming at sulfide electrolyte. Background Because the sulfide electrolyte has poor stability in the air, and particularly is easy to react with trace water H2O in the air, the structure of the electrolyte is destroyed, the conductivity of the electrolyte is reduced, and a flammable and odorous gaseous hydrogen sulfide with the odor of the odorous eggs is also released. The device for detecting the release amount of the sulfide H 2 S comprises a constant temperature and humidity box and a built-in sealed cabin arranged in the constant temperature and humidity box, wherein an operation window is arranged on the constant temperature and humidity box, a gas probe and a real-time monitoring probe are arranged on the inner wall of the built-in sealed cabin, a cabin cover is arranged on the top, a storage table for placing a sealed sample table is arranged at the bottom, a fan is arranged in the storage table, and an openable top cover is arranged on the top of the sealed sample table. The constant temperature and humidity box can accurately and rapidly simulate the use environments of different temperatures and humidities, the testing device is in a fully sealed state, the data acquisition is real-time and accurate, and the safety use of sulfide electrolyte is guaranteed. Based on the above prior art, the existing H 2 S gas release amount detection device for sulfide electrolyte still has the following problems, the existing detection technology generally puts the H 2 S gas detection probe beside the sample to monitor the H 2 S gas concentration beside the probe in real time, and has certain errors, poor accuracy and repeatability, meanwhile, the existing detection technology cannot effectively process the released H 2 S gas, which causes potential harm to detection personnel and environment, and in addition, the H 2 S gas dissipated outdoors has toxicity to most animals and plants, pollutes air and water, and damages an ecosystem, therefore, the utility model provides the H 2 S gas release amount detection device for sulfide electrolyte. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an H 2 S gas release amount detection device for sulfide electrolyte, which solves the problems that the existing H 2 S gas release amount detection device for sulfide electrolyte also has the problems that an H 2 S gas detection probe is usually placed beside a sample to monitor the concentration of H 2 S gas beside the probe in real time, certain errors exist, the accuracy and the repeatability are poor, meanwhile, the released H 2 S gas cannot be effectively treated by the existing detection technology, potential harm is caused to detection personnel and the environment, and in addition, the H 2 S gas dissipated outdoors has toxicity to most animals and plants, also pollutes air and water bodies and damages an ecological system. The utility model aims to achieve the aim, and the technical scheme is that the H 2 S gas release amount detection device for sulfide electrolyte comprises a constant temperature glove box, wherein a detection mechanism is arranged on the outer side of the constant temperature glove box and used for improving the accuracy and the repeatability of detecting the release amount of H 2 S gas of the sulfide electrolyte and effectively processing the released H 2 S gas, and the detection mechanism comprises: The detection unit is arranged on the outer side of the constant temperature glove box and comprises a first gas real-time monitoring probe fixedly arranged on the left side of the constant temperature glove box through a guide pipe, the left side of the first gas real-time monitoring probe is fixedly connected with a first glass bottle through a reverse hanging, a connecting pipe is fixedly arranged on the left side of the constant temperature glove box, a second gas real-time monitoring probe is fixedly arranged on the right side of the constant temperature glove box and is fixedly connected with a second glass bottle through the guide pipe, the right side of the second glass bottle is fixedly connected with a third glass bottle through the guide pipe, the concentrations of water vapor and nitrogen are accurately detected through the first gas real-time monitoring probe on the left side of the constant temperature glove box, the second gas real-time monitoring probe on the right side of the constant temperature glove box is used for accurately detecting the concentration of H 2 S gas, and Pb (CH 3COO)2 solution in the second glass bottle is used for completely absorbing H 2 S gas released by sulfide electrolyte; the simulation unit is arranged in the constant-temperature glove box and is used for simulating shaking con