• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Multifunctional biomimetic device: actuator, sensor, battery. The present invention relates to a multifunctional actuator/sensor/battery device (6) comprising: - a three-layer structure constituted by a layer of electroactive material (1) longitudinally joined to a layer of non-reactive material (2), which in turn is longitudinally joined to another layer of electroactive material (1 '), - a supply (3) and discharge circuit comprising an accumulator (7) and connected to each of the layers of electroactive material (1) and (1 ') through each of the poles of said circuit ( 3), - an electrolytic means (4) in which the multifunctional device (6) is immersed, Characterized in that when applying a current from the feed circuit (3) an oxidation reaction occurs in one of the layers of electroactive material (1) and a reduction reaction in the other layer of electroactive material (1 ') which produces a movement of the multifunction device (6), the charge of the accumulator (7) and a change in the potential difference in the multifunction device (6). The present invention also relates to the method for simultaneously generating, moving, quantitative information on physical-chemical variables and for recharging an accumulator in a multifunctional actuator/sensor/battery device (6) of the present invention. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2613846A1
    申请号:ES201631485
    申请日:2016-11-18
    公开日:2017-05-26
    发明作者:Toribio FERNÁNDEZ OTERO；José Gabriel MARTÍNEZ GIL
    申请人:Universidad Politecnica de Cartagena；
    IPC主号:
    专利说明:

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    During the oxidation process, positive charges are generated by electron extraction from the polymer chains of the electroactive material (1) and (1 ’). This causes the repulsion between the chains that make up the material, generating free space inside the material, which will be occupied by ions that enter from the electrolyte (4) to compensate for the excess of positive charges and maintain the electroneutrality of the material, and by solvent molecules that enter to maintain the osmotic balance, forming a dense gel. There is thus an increase in the volume of the material to accommodate the ions and the solvent. The increase in volume will be greater the greater the number of ions and solvent incorporated into the material. The number of ions that is incorporated into the material is controlled by the number of electrons extracted from the chains: by the electrical charge flowing through the system.
    During the reduction process the opposite process occurs, the solvent and the ions are expelled back to the electrolyte (4) as the free space and the charges that had made them enter the material disappear. There is therefore a decrease in the volume of the material.
    When a sheet of electroactive material (1) and a sheet of non-electroactive flexible adherent polymer (2) are adhered to form a bilayer, the volume changes that are generated in the sheet of electroactive material generate a voltage at the interface with the sheet of non-electroactive material causing the device to burn. When the sheet of electroactive material increases its volume by the entry of counterions and solvent due to the electrochemical reaction, said sheet pushes the non-electroactive sheet. When the sheet of electroactive material decreases its volume by the exit of counterions and solvent due to the electrochemical reaction, said sheet pulls the non-electroactive sheet. In this way, the position reached is controlled by the charge consumed during the electrochemical reaction origin of the movement (Otero and Cortes, Chem. Commun. (2004) 284-285; Otero and Sansiñena, Bioelectrochem. Bioenerg. 42 (1997) 117- 122). Using a film of non-electroactive material adherent on both sides, it is possible to construct the multilayer device: electroactive material (1) / adherent and flexible polymer (2) / electroactive material (1 ’). When an electric current is applied to one of the sheets of electroactive material, it oxidizes (or reduces) and increases (or decreases) the volume by pushing (or pulling) the device. On the other sheet the opposite reaction occurs: reduction (oxidation) with the consequent decrease (increase) in volume, pulling (pushing) the device. The two reactions
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
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    引用文献:
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    ES2048086A1|1992-01-17|1994-03-01|Univ Pais Vasco|Laminate devices that employ conductor polymers capable of triggering mechanical movements|
    US20130260217A1|2012-03-30|2013-10-03|Sony Corporation|Battery, negative electrode for battery, battery pack, electronic apparatus, electric vehicle, electricity storage apparatus and electric power system|
    EP2835855A1|2013-05-31|2015-02-11|Huawei Technologies Co., Ltd.|Lithium-air battery and preparation method therefor|
    WO2016129528A1|2015-02-10|2016-08-18|株式会社カネカ|Power storage device|
    法律状态:
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    申请号 | 申请日 | 专利标题
    ES201631485A|ES2613846B2|2016-11-18|2016-11-18|MULTIFUNCTIONAL BIOMIMETIC DEVICE: ACTUATOR, SENSOR, BATTERY|ES201631485A| ES2613846B2|2016-11-18|2016-11-18|MULTIFUNCTIONAL BIOMIMETIC DEVICE: ACTUATOR, SENSOR, BATTERY|
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