Abstract: A method for identifying a counterpart of a messenger according to an embodiment of the present invention includes: receiving an action signal of a user from the outside by a communication unit; reading user information related to the user from a database; determining an initial message and a response message including an identification indicator for identifying the user, based on the user information by a processor; requesting a messenger server to open a conversation channel, in which the user is designated as a counterpart, to transmit the initial message and to output the response message by the communication unit; receiving the response message by the communication unit; and checking the identification indicator output in the received response message and specifying a person corresponding to the identification indicator as the counterpart by the processor.

Abstract: An electrolyte including a mixture of hydroxynaphtoquinone and a precursor material thereof is provided. The electrolyte may achieve higher capacities.

Abstract: Disclosed is a review management system based on a chatbot. The review management system includes an information reception unit configured to receive product purchase information of a user from at least one sales server, a checking unit configured to monitor delivery information of the purchased product in real time, a chatbot execution unit configured to establish a channel through which a chatbot is able to communicate with the user when a preset period elapses after the checking unit checks delivery completion, and request the user to upload a review of a corresponding product, and a review posting unit configured to post a review on a review page when the user uploads the review on the channel. According to an embodiment of the present disclosure, it is possible to expect for an individual user to positively upload a review by providing a personalized chatbot interface to the user.

Abstract: An electrolyte including a mixture of hydroxynaphtoquinone and a precursor material thereof is provided. The electrolyte may achieve higher capacities.