1. A switch device comprising:
a host network interface to be coupled to host computers via a network;
a storage network interface to be coupled to a first storage system which controls based on a first protocol and which has a first data volume storing data from a host computer and a second storage system which controls based on a second protocol and which has a second data volume storing data from a host computer, said first storage system and said second storage system have different functions;
a processor coupled to the host network interface and the storage network interface; and
a memory coupled to the processor; and
a plurality of first virtual volumes corresponding to at least one of the first data volumes and the second virtual volumes are corresponding to at least one of the second data volumes, the first virtual volume and the second virtual volume to be provided for at least one of the host computers,
wherein when a virtual volume specified by the a virtual volume identifier in the instruction is the first virtual volume corresponding to the first data volume, the processor sends to the first storage system, through the storage network interface, a first control information related to the first data volume according to the first protocol for the first storage system for controlling a function of the first storage system, and
wherein when a virtual volume specified by the virtual volume identifier in the instruction is the second virtual volume corresponding to the second data volume, the processor sends to the second storage system, through the storage network interface, second control information related to the second data volume according to the second protocol for the second storage system for controlling a function of the second storage system,
wherein the control information is sent by an Application Program Interface (API), and
wherein the memory holds information indicating a relationship between device type of said first and second storage systems and an API for control of a function which is able to be executed by either the first storage system or the second storage system.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A non-aqueous electrolyte for secondary battery comprising a non-aqueous solvent dissolving lithium salt as an electrolyte,
wherein said non-aqueous solvent contains:
(A) methyl 3,3,3-trifluoropropionate represented by the below formula (1);
CF3\u2014CH2\u2014COO\u2014CH3\u2003\u2003(1)
and
(B) a film-forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion;
wherein said film-forming chemical compound is at least one selected from the group consisting of 4-fluoroethylene carbonate, ethylene sulfite, vinyl ethylene carbonate, LiB(C2O4)2, and LiBF2(C2O4);
wherein said non-aqueous solvent further contains at least one low viscosity solvent selected from a group of CH3COOCH3, C2H5COOCH3, CH3COOC2H5, and CH3OCOOCH3;
wherein the amount of said methyl 3,3,3-trifluoropropionate is in the range of 20 to 90 volume % to the whole amount of non-aqueous solvent; and
wherein the amount of said 4-fluoroethylene carbonate to the whole amount of non-aqueous solvent is 2-40 volume %, the amount of said ethylene sulfite and said vinyl ethylene carbonate to the whole amount of non-aqueous solvent is 0.1-10 wt %, and the amount of said LiB(C2O4)2 and said LiBF2(C2O4) to the whole amount of non-aqueous solvent is 0.01-0.4 moll.
2. The non-aqueous electrolyte for secondary battery as claimed in claim 1, wherein said film-forming chemical compound is 4-fluoroethylene carbonate.
3. The non-aqueous electrolyte for secondary battery as claimed in claim 1, wherein said film-forming chemical compound is 4-fluoroethylene carbonate and the amount of the 4-fluoroethylene carbonate is in the range of 5 to 30 volume % to the whole amount of non-aqueous solvent.
4. A non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte,
wherein said non-aqueous electrolyte comprises a non-aqueous solvent dissolving lithium salt as an electrolyte;
wherein said non-aqueous solvent contains:
(A) methyl 3,3,3-trifluoropropionate represented by the below formula (1);
CF3\u2014CH2\u2014COO\u2014CH3\u2003\u2003(1)
and
(B) a film-forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion;
wherein said film-forming chemical compound is at least one selected from a group consisting of 4-fluoroethylene carbonate, ethylene sulfite, vinyl ethylene carbonate, LiB(C2O4)2, and LiBF2(C2O4); and
wherein said non-aqueous solvent further contains at least one low viscosity solvent selected from a group of CH3COOCH3, C2H5COOCH3, CH3COOC2H5, and CH3OCOOCH3;
wherein the amount of said methyl 3,3,3-trifluoropropionate is in the range of 20 to 90 volume % to the whole amount of non-aqueous solvent and
wherein the amount of said 4-fluoroethylene carbonate to the whole amount of non-aqueous solvent is 2-40 volume %, the amount of said ethylene sulfite and said vinyl ethylene carbonate to the whole amount of non-aqueous solvent is 0.1-10 wt %, and the amount of said LiB(C2O4)2 and said LiBF2(C2O4) to the whole amount of non-aqueous solvent is 0.01-0.4 moll.
5. The non-aqueous electrolyte secondary battery as claimed in claim 4, wherein said film-forming chemical compound is 4-fluoroethylene carbonate.
6. The non-aqueous electrolyte secondary battery as claimed in claim 4, wherein said film-forming chemical compound is 4-fluoroethylene carbonate and the amount of the 4-fluoroethylene carbonate is in the range of 5 to 30 volume % to the whole amount of non-aqueous solvent.
7. The non-aqueous electrolyte secondary battery as claimed in claim 4 which is charged until a potential of the positive electrode becomes 4.35 V or more based on metal lithium.
8. A non-aqueous electrolyte for secondary battery comprising a non-aqueous solvent dissolving lithium salt as an electrolyte,
wherein said non-aqueous solvent contains:
(A) methyl 3,3,3-trifluoropropionate represented by the below formula (1);
CF3\u2014CH2\u2014COO\u2014CH3\u2003\u2003(1)
and
(B) a film-forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion;
wherein said film-forming chemical compound is at least one selected from the group consisting of 4-fluoroethylene carbonate, ethylene sulfite, vinyl ethylene carbonate, LiB(C2O4)2, and LiBF2(C2O4); and
wherein the amount of said methyl 3,3,3-trifluoropropionate is in the range of 20 to 90 volume % to the whole amount of the non-aqueous solvent; and
wherein the amount of said 4-fluoroethylene carbonate to the whole amount of non-aqueous solvent is 2-40 volume %, the amount of said ethylene sulfite and said vinyl ethylene carbonate to the whole amount of non-aqueous solvent is 0.1-10 wt %, and the amount of said LiB(C2O4)2 and said LiBF2(C2O4) to the whole amount of non-aqueous solvent is 0.01-0.4 moll.
9. The non-aqueous electrolyte for secondary battery as claimed in claim 8, wherein the lithium salt main comprises LiPF6.
10. The non-aqueous electrolyte for secondary battery as claimed in claim 8, wherein said film-forming chemical compound is 4-fluoroethylene carbonate.
11. The non-aqueous electrolyte for secondary battery as claimed in claim 8, wherein said film-forming chemical compound is 4-fluoroethylene carbonate and the amount of the 4-fluoroethylene carbonate is in the range of 5 to 30 volume % to the whole amount of non-aqueous solvent.
12. A non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte,
wherein said non-aqueous electrolyte comprises a non-aqueous solvent dissolving lithium salt as an electrolyte;
wherein said non-aqueous solvent contains:
(A) methyl 3,3,3-trifluoropropionate represented by the below formula (1);
CF3\u2014CH2\u2014COO\u2014CH3\u2003\u2003(1)
and
(B) a film-forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion;
wherein said film-forming chemical compound is at least one selected from a group consisting of 4-fluoroethylene carbonate, ethylene sulfite, vinyl ethylene carbonate, LiB(C2O4)2, and LiBF2(C2O4); and
wherein the amount of said methyl 3,3,3-trifluoropropionate is in the range of 20 to 90 volume % to the whole amount of the non-aqueous solvent; and
wherein the amount of said 4-fluoroethylene carbonate to the whole amount of non-aqueous solvent is 2-40 volume %, the amount of said ethylene sulfite and said vinyl ethylene carbonate to the whole amount of non-aqueous solvent is 0.1-10 wt %, and the amount of said LiB(C2O4)2 and said LiBF2(C2O4) to the whole amount of non-aqueous solvent is 0.01-0.4 moll.
13. The non-aqueous electrolyte secondary battery as claimed in claim 12, wherein the lithium salt main comprises LiPF6.
14. The non-aqueous electrolyte secondary battery as claimed in claim 12, wherein said film-forming chemical compound is 4-fluoroethylene carbonate.
15. The non-aqueous electrolyte secondary battery as claimed in claim 12, wherein said film-forming chemical compound is 4-fluoroethylene carbonate and the amount of the 4-fluoroethylene carbonate is in the range of 5 to 30 volume % to the whole amount of non-aqueous solvent.
16. The non-aqueous electrolyte secondary battery as claimed in claim 12 which is charged until a potential of the positive electrode becomes 4.35 V or more based on metal lithium.